diff --git a/_freeze/materials/0_housekeeping/execute-results/html.json b/_freeze/materials/0_housekeeping/execute-results/html.json
index bb05e63..a99dd09 100644
--- a/_freeze/materials/0_housekeeping/execute-results/html.json
+++ b/_freeze/materials/0_housekeeping/execute-results/html.json
@@ -1,7 +1,7 @@
 {
-  "hash": "970f84e7f9c86dcf0030b1316197d0d0",
+  "hash": "ce03c3fcf7a192fe6df68fa4604f4cf0",
   "result": {
-    "markdown": "---\ntitle: \"Big Data in R with Arrow\"\nsubtitle: \"posit::conf(2023) 1-day workshop\"\nauthor: \"Nic Crane + Steph Hazlitt\"\nfooter: \"[🔗 posit.io/arrow](https://posit-conf-2023.github.io/arrow)\"\nlogo: \"images/logo.png\"\nexecute:\n  echo: true\nformat:\n  revealjs: \n    theme: default\nengine: knitr\neditor: source\n---\n\n\n# Welcome 👋\n\n## \n\n### WiFi `<svg aria-hidden=\"true\" role=\"img\" viewBox=\"0 0 640 512\" style=\"height:1em;width:1.25em;vertical-align:-0.125em;margin-left:auto;margin-right:auto;font-size:inherit;fill:currentColor;overflow:visible;position:relative;\"><path d=\"M54.2 202.9C123.2 136.7 216.8 96 320 96s196.8 40.7 265.8 106.9c12.8 12.2 33 11.8 45.2-.9s11.8-33-.9-45.2C549.7 79.5 440.4 32 320 32S90.3 79.5 9.8 156.7C-2.9 169-3.3 189.2 8.9 202s32.5 13.2 45.2 .9zM320 256c56.8 0 108.6 21.1 148.2 56c13.3 11.7 33.5 10.4 45.2-2.8s10.4-33.5-2.8-45.2C459.8 219.2 393 192 320 192s-139.8 27.2-190.5 72c-13.3 11.7-14.5 31.9-2.8 45.2s31.9 14.5 45.2 2.8c39.5-34.9 91.3-56 148.2-56zm64 160a64 64 0 1 0 -128 0 64 64 0 1 0 128 0z\"/></svg>`{=html}\n\n-   Username: **Posit Conf 2023**\n-   Password: **conf2023**\n\n<br>\n\n### Workshop `<svg aria-hidden=\"true\" role=\"img\" viewBox=\"0 0 496 512\" style=\"height:1em;width:0.97em;vertical-align:-0.125em;margin-left:auto;margin-right:auto;font-size:inherit;fill:currentColor;overflow:visible;position:relative;\"><path d=\"M165.9 397.4c0 2-2.3 3.6-5.2 3.6-3.3.3-5.6-1.3-5.6-3.6 0-2 2.3-3.6 5.2-3.6 3-.3 5.6 1.3 5.6 3.6zm-31.1-4.5c-.7 2 1.3 4.3 4.3 4.9 2.6 1 5.6 0 6.2-2s-1.3-4.3-4.3-5.2c-2.6-.7-5.5.3-6.2 2.3zm44.2-1.7c-2.9.7-4.9 2.6-4.6 4.9.3 2 2.9 3.3 5.9 2.6 2.9-.7 4.9-2.6 4.6-4.6-.3-1.9-3-3.2-5.9-2.9zM244.8 8C106.1 8 0 113.3 0 252c0 110.9 69.8 205.8 169.5 239.2 12.8 2.3 17.3-5.6 17.3-12.1 0-6.2-.3-40.4-.3-61.4 0 0-70 15-84.7-29.8 0 0-11.4-29.1-27.8-36.6 0 0-22.9-15.7 1.6-15.4 0 0 24.9 2 38.6 25.8 21.9 38.6 58.6 27.5 72.9 20.9 2.3-16 8.8-27.1 16-33.7-55.9-6.2-112.3-14.3-112.3-110.5 0-27.5 7.6-41.3 23.6-58.9-2.6-6.5-11.1-33.3 2.6-67.9 20.9-6.5 69 27 69 27 20-5.6 41.5-8.5 62.8-8.5s42.8 2.9 62.8 8.5c0 0 48.1-33.6 69-27 13.7 34.7 5.2 61.4 2.6 67.9 16 17.7 25.8 31.5 25.8 58.9 0 96.5-58.9 104.2-114.8 110.5 9.2 7.9 17 22.9 17 46.4 0 33.7-.3 75.4-.3 83.6 0 6.5 4.6 14.4 17.3 12.1C428.2 457.8 496 362.9 496 252 496 113.3 383.5 8 244.8 8zM97.2 352.9c-1.3 1-1 3.3.7 5.2 1.6 1.6 3.9 2.3 5.2 1 1.3-1 1-3.3-.7-5.2-1.6-1.6-3.9-2.3-5.2-1zm-10.8-8.1c-.7 1.3.3 2.9 2.3 3.9 1.6 1 3.6.7 4.3-.7.7-1.3-.3-2.9-2.3-3.9-2-.6-3.6-.3-4.3.7zm32.4 35.6c-1.6 1.3-1 4.3 1.3 6.2 2.3 2.3 5.2 2.6 6.5 1 1.3-1.3.7-4.3-1.3-6.2-2.2-2.3-5.2-2.6-6.5-1zm-11.4-14.7c-1.6 1-1.6 3.6 0 5.9 1.6 2.3 4.3 3.3 5.6 2.3 1.6-1.3 1.6-3.9 0-6.2-1.4-2.3-4-3.3-5.6-2z\"/></svg>`{=html}\n\n-   Website: [pos.it/arrow-conf23](https://pos.it/arrow-conf23)\n-   GitHub: [github.com/posit-conf-2023/arrow](https://github.com/posit-conf-2023/arrow)\n\n## Housekeeping\n\n<br>\n\n### Gender Neutral Bathrooms `<svg aria-hidden=\"true\" role=\"img\" viewBox=\"0 0 320 512\" style=\"height:1em;width:0.62em;vertical-align:-0.125em;margin-left:auto;margin-right:auto;font-size:inherit;fill:currentColor;overflow:visible;position:relative;\"><path d=\"M160 0a48 48 0 1 1 0 96 48 48 0 1 1 0-96zm8 352V128h6.9c33.7 0 64.9 17.7 82.3 46.6l58.3 97c9.1 15.1 4.2 34.8-10.9 43.9s-34.8 4.2-43.9-10.9L232 256.9V480c0 17.7-14.3 32-32 32s-32-14.3-32-32V352h0zM58.2 182.3c19.9-33.1 55.3-53.5 93.8-54.3V384h0v96c0 17.7-14.3 32-32 32s-32-14.3-32-32V384H70.2c-10.9 0-18.6-10.7-15.2-21.1L93.3 248.1 59.4 304.5c-9.1 15.1-28.8 20-43.9 10.9s-20-28.8-10.9-43.9l53.6-89.2z\"/></svg>`{=html}\n\n-   Among the Grand Suite Bathrooms\n\n### Specialty Rooms `<svg aria-hidden=\"true\" role=\"img\" viewBox=\"0 0 448 512\" style=\"height:1em;width:0.88em;vertical-align:-0.125em;margin-left:auto;margin-right:auto;font-size:inherit;fill:currentColor;overflow:visible;position:relative;\"><path d=\"M301.1 34.8C312.6 40 320 51.4 320 64V448c0 12.6-7.4 24-18.9 29.2s-25 3.1-34.4-5.3L131.8 352H64c-35.3 0-64-28.7-64-64V224c0-35.3 28.7-64 64-64h67.8L266.7 40.1c9.4-8.4 22.9-10.4 34.4-5.3zM412.6 181.5C434.1 199.1 448 225.9 448 256s-13.9 56.9-35.4 74.5c-10.3 8.4-25.4 6.8-33.8-3.5s-6.8-25.4 3.5-33.8C393.1 284.4 400 271 400 256s-6.9-28.4-17.7-37.3c-10.3-8.4-11.8-23.5-3.5-33.8s23.5-11.8 33.8-3.5z\"/></svg>`{=html}\n\n-   Meditation/Prayer Rooms (Grand Suite 2A & 2B)\n-   Lactation Room (Grand Suite 1)\n\n### Red Lanyards `<svg aria-hidden=\"true\" role=\"img\" viewBox=\"0 0 448 512\" style=\"height:1em;width:0.88em;vertical-align:-0.125em;margin-left:auto;margin-right:auto;font-size:inherit;fill:currentColor;overflow:visible;position:relative;\"><path d=\"M48 128c-17.7 0-32 14.3-32 32s14.3 32 32 32H400c17.7 0 32-14.3 32-32s-14.3-32-32-32H48zm0 192c-17.7 0-32 14.3-32 32s14.3 32 32 32H400c17.7 0 32-14.3 32-32s-14.3-32-32-32H48z\"/></svg>`{=html}`<svg aria-hidden=\"true\" role=\"img\" viewBox=\"0 0 448 512\" style=\"height:1em;width:0.88em;vertical-align:-0.125em;margin-left:auto;margin-right:auto;font-size:inherit;fill:currentColor;overflow:visible;position:relative;\"><path d=\"M48 128c-17.7 0-32 14.3-32 32s14.3 32 32 32H400c17.7 0 32-14.3 32-32s-14.3-32-32-32H48zm0 192c-17.7 0-32 14.3-32 32s14.3 32 32 32H400c17.7 0 32-14.3 32-32s-14.3-32-32-32H48z\"/></svg>`{=html} **NO** `<svg aria-hidden=\"true\" role=\"img\" viewBox=\"0 0 512 512\" style=\"height:1em;width:1em;vertical-align:-0.125em;margin-left:auto;margin-right:auto;font-size:inherit;fill:currentColor;overflow:visible;position:relative;\"><path d=\"M149.1 64.8L138.7 96H64C28.7 96 0 124.7 0 160V416c0 35.3 28.7 64 64 64H448c35.3 0 64-28.7 64-64V160c0-35.3-28.7-64-64-64H373.3L362.9 64.8C356.4 45.2 338.1 32 317.4 32H194.6c-20.7 0-39 13.2-45.5 32.8zM256 192a96 96 0 1 1 0 192 96 96 0 1 1 0-192z\"/></svg>`{=html}\n\n## Code of Conduct\n\n<br>\n\n### `<svg aria-hidden=\"true\" role=\"img\" viewBox=\"0 0 640 512\" style=\"height:1em;width:1.25em;vertical-align:-0.125em;margin-left:auto;margin-right:auto;font-size:inherit;fill:currentColor;overflow:visible;position:relative;\"><path d=\"M579.8 267.7c56.5-56.5 56.5-148 0-204.5c-50-50-128.8-56.5-186.3-15.4l-1.6 1.1c-14.4 10.3-17.7 30.3-7.4 44.6s30.3 17.7 44.6 7.4l1.6-1.1c32.1-22.9 76-19.3 103.8 8.6c31.5 31.5 31.5 82.5 0 114L422.3 334.8c-31.5 31.5-82.5 31.5-114 0c-27.9-27.9-31.5-71.8-8.6-103.8l1.1-1.6c10.3-14.4 6.9-34.4-7.4-44.6s-34.4-6.9-44.6 7.4l-1.1 1.6C206.5 251.2 213 330 263 380c56.5 56.5 148 56.5 204.5 0L579.8 267.7zM60.2 244.3c-56.5 56.5-56.5 148 0 204.5c50 50 128.8 56.5 186.3 15.4l1.6-1.1c14.4-10.3 17.7-30.3 7.4-44.6s-30.3-17.7-44.6-7.4l-1.6 1.1c-32.1 22.9-76 19.3-103.8-8.6C74 372 74 321 105.5 289.5L217.7 177.2c31.5-31.5 82.5-31.5 114 0c27.9 27.9 31.5 71.8 8.6 103.9l-1.1 1.6c-10.3 14.4-6.9 34.4 7.4 44.6s34.4 6.9 44.6-7.4l1.1-1.6C433.5 260.8 427 182 377 132c-56.5-56.5-148-56.5-204.5 0L60.2 244.3z\"/></svg>`{=html} [posit.co/code-of-conduct/](https://posit.co/code-of-conduct/)\n\n-   Contact any posit::conf staff member, identifiable by their staff t-shirt, or visit the conference general information desk.\n-   Send a message to conf\\@posit.com; event organizers will respond promptly.\n-   Call +1-844-448-1212; this phone number will be monitored for the duration of the event.\n\n## Meet Your Teaching Team `<svg aria-hidden=\"true\" role=\"img\" viewBox=\"0 0 640 512\" style=\"height:1em;width:1.25em;vertical-align:-0.125em;margin-left:auto;margin-right:auto;font-size:inherit;fill:currentColor;overflow:visible;position:relative;\"><path d=\"M72 88a56 56 0 1 1 112 0A56 56 0 1 1 72 88zM64 245.7C54 256.9 48 271.8 48 288s6 31.1 16 42.3V245.7zm144.4-49.3C178.7 222.7 160 261.2 160 304c0 34.3 12 65.8 32 90.5V416c0 17.7-14.3 32-32 32H96c-17.7 0-32-14.3-32-32V389.2C26.2 371.2 0 332.7 0 288c0-61.9 50.1-112 112-112h32c24 0 46.2 7.5 64.4 20.3zM448 416V394.5c20-24.7 32-56.2 32-90.5c0-42.8-18.7-81.3-48.4-107.7C449.8 183.5 472 176 496 176h32c61.9 0 112 50.1 112 112c0 44.7-26.2 83.2-64 101.2V416c0 17.7-14.3 32-32 32H480c-17.7 0-32-14.3-32-32zm8-328a56 56 0 1 1 112 0A56 56 0 1 1 456 88zM576 245.7v84.7c10-11.3 16-26.1 16-42.3s-6-31.1-16-42.3zM320 32a64 64 0 1 1 0 128 64 64 0 1 1 0-128zM240 304c0 16.2 6 31 16 42.3V261.7c-10 11.3-16 26.1-16 42.3zm144-42.3v84.7c10-11.3 16-26.1 16-42.3s-6-31.1-16-42.3zM448 304c0 44.7-26.2 83.2-64 101.2V448c0 17.7-14.3 32-32 32H288c-17.7 0-32-14.3-32-32V405.2c-37.8-18-64-56.5-64-101.2c0-61.9 50.1-112 112-112h32c61.9 0 112 50.1 112 112z\"/></svg>`{=html}\n\n<br>\n\n### Co-Instructors\n\n-   Nic Crane\n-   Steph Hazlitt\n\n### Teaching Assistants\n\n-   Ian Lyttle\n-   Jonathan Keane\n\n## Meet Eachother `<svg aria-hidden=\"true\" role=\"img\" viewBox=\"0 0 640 512\" style=\"height:1em;width:1.25em;vertical-align:-0.125em;margin-left:auto;margin-right:auto;font-size:inherit;fill:currentColor;overflow:visible;position:relative;\"><path d=\"M272.2 64.6l-51.1 51.1c-15.3 4.2-29.5 11.9-41.5 22.5L153 161.9C142.8 171 129.5 176 115.8 176H96V304c20.4 .6 39.8 8.9 54.3 23.4l35.6 35.6 7 7 0 0L219.9 397c6.2 6.2 16.4 6.2 22.6 0c1.7-1.7 3-3.7 3.7-5.8c2.8-7.7 9.3-13.5 17.3-15.3s16.4 .6 22.2 6.5L296.5 393c11.6 11.6 30.4 11.6 41.9 0c5.4-5.4 8.3-12.3 8.6-19.4c.4-8.8 5.6-16.6 13.6-20.4s17.3-3 24.4 2.1c9.4 6.7 22.5 5.8 30.9-2.6c9.4-9.4 9.4-24.6 0-33.9L340.1 243l-35.8 33c-27.3 25.2-69.2 25.6-97 .9c-31.7-28.2-32.4-77.4-1.6-106.5l70.1-66.2C303.2 78.4 339.4 64 377.1 64c36.1 0 71 13.3 97.9 37.2L505.1 128H544h40 40c8.8 0 16 7.2 16 16V352c0 17.7-14.3 32-32 32H576c-11.8 0-22.2-6.4-27.7-16H463.4c-3.4 6.7-7.9 13.1-13.5 18.7c-17.1 17.1-40.8 23.8-63 20.1c-3.6 7.3-8.5 14.1-14.6 20.2c-27.3 27.3-70 30-100.4 8.1c-25.1 20.8-62.5 19.5-86-4.1L159 404l-7-7-35.6-35.6c-5.5-5.5-12.7-8.7-20.4-9.3C96 369.7 81.6 384 64 384H32c-17.7 0-32-14.3-32-32V144c0-8.8 7.2-16 16-16H56 96h19.8c2 0 3.9-.7 5.3-2l26.5-23.6C175.5 77.7 211.4 64 248.7 64H259c4.4 0 8.9 .2 13.2 .6zM544 320V176H496c-5.9 0-11.6-2.2-15.9-6.1l-36.9-32.8c-18.2-16.2-41.7-25.1-66.1-25.1c-25.4 0-49.8 9.7-68.3 27.1l-70.1 66.2c-10.3 9.8-10.1 26.3 .5 35.7c9.3 8.3 23.4 8.1 32.5-.3l71.9-66.4c9.7-9 24.9-8.4 33.9 1.4s8.4 24.9-1.4 33.9l-.8 .8 74.4 74.4c10 10 16.5 22.3 19.4 35.1H544zM64 336a16 16 0 1 0 -32 0 16 16 0 1 0 32 0zm528 16a16 16 0 1 0 0-32 16 16 0 1 0 0 32z\"/></svg>`{=html}\n\n<br>\n\n-   When did you use R for the first time?\n-   What is your favorite R package?\n-   Which package hex sticker would you like to find the most during posit::conf(2023)?\n\n## Getting Help Today `<svg aria-hidden=\"true\" role=\"img\" viewBox=\"0 0 448 512\" style=\"height:1em;width:0.88em;vertical-align:-0.125em;margin-left:auto;margin-right:auto;font-size:inherit;fill:currentColor;overflow:visible;position:relative;\"><path d=\"M48 24C48 10.7 37.3 0 24 0S0 10.7 0 24V64 350.5 400v88c0 13.3 10.7 24 24 24s24-10.7 24-24V388l80.3-20.1c41.1-10.3 84.6-5.5 122.5 13.4c44.2 22.1 95.5 24.8 141.7 7.4l34.7-13c12.5-4.7 20.8-16.6 20.8-30V66.1c0-23-24.2-38-44.8-27.7l-9.6 4.8c-46.3 23.2-100.8 23.2-147.1 0c-35.1-17.6-75.4-22-113.5-12.5L48 52V24zm0 77.5l96.6-24.2c27-6.7 55.5-3.6 80.4 8.8c54.9 27.4 118.7 29.7 175 6.8V334.7l-24.4 9.1c-33.7 12.6-71.2 10.7-103.4-5.4c-48.2-24.1-103.3-30.1-155.6-17.1L48 338.5v-237z\"/></svg>`{=html}\n\n<br>\n\n[GREEN]{style=\"color:green;\"} sticky note: I am OK / I am done\n\n[PINK]{style=\"color:pink;\"} sticky note: I need support / I am working\n\n<br>\n\n`<svg aria-hidden=\"true\" role=\"img\" viewBox=\"0 0 512 512\" style=\"height:1em;width:1em;vertical-align:-0.125em;margin-left:auto;margin-right:auto;font-size:inherit;fill:currentColor;overflow:visible;position:relative;\"><path d=\"M256 0c-25.3 0-47.2 14.7-57.6 36c-7-2.6-14.5-4-22.4-4c-35.3 0-64 28.7-64 64V261.5l-2.7-2.7c-25-25-65.5-25-90.5 0s-25 65.5 0 90.5L106.5 437c48 48 113.1 75 181 75H296h8c1.5 0 3-.1 4.5-.4c91.7-6.2 165-79.4 171.1-171.1c.3-1.5 .4-3 .4-4.5V160c0-35.3-28.7-64-64-64c-5.5 0-10.9 .7-16 2V96c0-35.3-28.7-64-64-64c-7.9 0-15.4 1.4-22.4 4C303.2 14.7 281.3 0 256 0zM240 96.1c0 0 0-.1 0-.1V64c0-8.8 7.2-16 16-16s16 7.2 16 16V95.9c0 0 0 .1 0 .1V232c0 13.3 10.7 24 24 24s24-10.7 24-24V96c0 0 0 0 0-.1c0-8.8 7.2-16 16-16s16 7.2 16 16v55.9c0 0 0 .1 0 .1v80c0 13.3 10.7 24 24 24s24-10.7 24-24V160.1c0 0 0-.1 0-.1c0-8.8 7.2-16 16-16s16 7.2 16 16V332.9c-.1 .6-.1 1.3-.2 1.9c-3.4 69.7-59.3 125.6-129 129c-.6 0-1.3 .1-1.9 .2H296h-8.5c-55.2 0-108.1-21.9-147.1-60.9L52.7 315.3c-6.2-6.2-6.2-16.4 0-22.6s16.4-6.2 22.6 0L119 336.4c6.9 6.9 17.2 8.9 26.2 5.2s14.8-12.5 14.8-22.2V96c0-8.8 7.2-16 16-16c8.8 0 16 7.1 16 15.9V232c0 13.3 10.7 24 24 24s24-10.7 24-24V96.1z\"/></svg>`{=html} You can ask questions at any time during the workshop\n\n## Discord `<svg aria-hidden=\"true\" role=\"img\" viewBox=\"0 0 640 512\" style=\"height:1em;width:1.25em;vertical-align:-0.125em;margin-left:auto;margin-right:auto;font-size:inherit;fill:currentColor;overflow:visible;position:relative;\"><path d=\"M524.531,69.836a1.5,1.5,0,0,0-.764-.7A485.065,485.065,0,0,0,404.081,32.03a1.816,1.816,0,0,0-1.923.91,337.461,337.461,0,0,0-14.9,30.6,447.848,447.848,0,0,0-134.426,0,309.541,309.541,0,0,0-15.135-30.6,1.89,1.89,0,0,0-1.924-.91A483.689,483.689,0,0,0,116.085,69.137a1.712,1.712,0,0,0-.788.676C39.068,183.651,18.186,294.69,28.43,404.354a2.016,2.016,0,0,0,.765,1.375A487.666,487.666,0,0,0,176.02,479.918a1.9,1.9,0,0,0,2.063-.676A348.2,348.2,0,0,0,208.12,430.4a1.86,1.86,0,0,0-1.019-2.588,321.173,321.173,0,0,1-45.868-21.853,1.885,1.885,0,0,1-.185-3.126c3.082-2.309,6.166-4.711,9.109-7.137a1.819,1.819,0,0,1,1.9-.256c96.229,43.917,200.41,43.917,295.5,0a1.812,1.812,0,0,1,1.924.233c2.944,2.426,6.027,4.851,9.132,7.16a1.884,1.884,0,0,1-.162,3.126,301.407,301.407,0,0,1-45.89,21.83,1.875,1.875,0,0,0-1,2.611,391.055,391.055,0,0,0,30.014,48.815,1.864,1.864,0,0,0,2.063.7A486.048,486.048,0,0,0,610.7,405.729a1.882,1.882,0,0,0,.765-1.352C623.729,277.594,590.933,167.465,524.531,69.836ZM222.491,337.58c-28.972,0-52.844-26.587-52.844-59.239S193.056,219.1,222.491,219.1c29.665,0,53.306,26.82,52.843,59.239C275.334,310.993,251.924,337.58,222.491,337.58Zm195.38,0c-28.971,0-52.843-26.587-52.843-59.239S388.437,219.1,417.871,219.1c29.667,0,53.307,26.82,52.844,59.239C470.715,310.993,447.538,337.58,417.871,337.58Z\"/></svg>`{=html}\n\n-   [pos.it/conf-event-portal](http://pos.it/conf-event-portal) (login)\n-   Click on \"Join Discord, the virtual networking platform!\"\n-   Browse Channels -> `#big-data-with-arrow`\n\n## We Assume\n\n-   You know `<svg aria-hidden=\"true\" role=\"img\" viewBox=\"0 0 581 512\" style=\"height:1em;width:1.13em;vertical-align:-0.125em;margin-left:auto;margin-right:auto;font-size:inherit;fill:currentColor;overflow:visible;position:relative;\"><path d=\"M581 226.6C581 119.1 450.9 32 290.5 32S0 119.1 0 226.6C0 322.4 103.3 402 239.4 418.1V480h99.1v-61.5c24.3-2.7 47.6-7.4 69.4-13.9L448 480h112l-67.4-113.7c54.5-35.4 88.4-84.9 88.4-139.7zm-466.8 14.5c0-73.5 98.9-133 220.8-133s211.9 40.7 211.9 133c0 50.1-26.5 85-70.3 106.4-2.4-1.6-4.7-2.9-6.4-3.7-10.2-5.2-27.8-10.5-27.8-10.5s86.6-6.4 86.6-92.7-90.6-87.9-90.6-87.9h-199V361c-74.1-21.5-125.2-67.1-125.2-119.9zm225.1 38.3v-55.6c57.8 0 87.8-6.8 87.8 27.3 0 36.5-38.2 28.3-87.8 28.3zm-.9 72.5H365c10.8 0 18.9 11.7 24 19.2-16.1 1.9-33 2.8-50.6 2.9v-22.1z\"/></svg>`{=html}\n-   You are familiar with the [dplyr](https://dplyr.tidyverse.org/) package for data manipulation `<svg aria-hidden=\"true\" role=\"img\" viewBox=\"0 0 512 512\" style=\"height:1em;width:1em;vertical-align:-0.125em;margin-left:auto;margin-right:auto;font-size:inherit;fill:currentColor;overflow:visible;position:relative;\"><path d=\"M78.6 5C69.1-2.4 55.6-1.5 47 7L7 47c-8.5 8.5-9.4 22-2.1 31.6l80 104c4.5 5.9 11.6 9.4 19 9.4h54.1l109 109c-14.7 29-10 65.4 14.3 89.6l112 112c12.5 12.5 32.8 12.5 45.3 0l64-64c12.5-12.5 12.5-32.8 0-45.3l-112-112c-24.2-24.2-60.6-29-89.6-14.3l-109-109V104c0-7.5-3.5-14.5-9.4-19L78.6 5zM19.9 396.1C7.2 408.8 0 426.1 0 444.1C0 481.6 30.4 512 67.9 512c18 0 35.3-7.2 48-19.9L233.7 374.3c-7.8-20.9-9-43.6-3.6-65.1l-61.7-61.7L19.9 396.1zM512 144c0-10.5-1.1-20.7-3.2-30.5c-2.4-11.2-16.1-14.1-24.2-6l-63.9 63.9c-3 3-7.1 4.7-11.3 4.7H352c-8.8 0-16-7.2-16-16V102.6c0-4.2 1.7-8.3 4.7-11.3l63.9-63.9c8.1-8.1 5.2-21.8-6-24.2C388.7 1.1 378.5 0 368 0C288.5 0 224 64.5 224 144l0 .8 85.3 85.3c36-9.1 75.8 .5 104 28.7L429 274.5c49-23 83-72.8 83-130.5zM56 432a24 24 0 1 1 48 0 24 24 0 1 1 -48 0z\"/></svg>`{=html}\n-   You have data in your life that is too large to fit into memory or sluggish in memory\n-   You want to learn how to engineer your data storage for more performant access and analysis\n",
+    "markdown": "---\ntitle: \"Big Data in R with Arrow\"\nsubtitle: \"posit::conf(2023) 1-day workshop\"\nauthor: \"Nic Crane + Steph Hazlitt\"\nfooter: \"[🔗 posit.io/arrow](https://posit-conf-2023.github.io/arrow)\"\nlogo: \"images/logo.png\"\nexecute:\n  echo: true\nformat:\n  revealjs: \n    theme: default\nengine: knitr\neditor: source\n---\n\n\n# Welcome 👋\n\n## \n\n### WiFi `<svg aria-hidden=\"true\" role=\"img\" viewBox=\"0 0 640 512\" style=\"height:1em;width:1.25em;vertical-align:-0.125em;margin-left:auto;margin-right:auto;font-size:inherit;fill:currentColor;overflow:visible;position:relative;\"><path d=\"M54.2 202.9C123.2 136.7 216.8 96 320 96s196.8 40.7 265.8 106.9c12.8 12.2 33 11.8 45.2-.9s11.8-33-.9-45.2C549.7 79.5 440.4 32 320 32S90.3 79.5 9.8 156.7C-2.9 169-3.3 189.2 8.9 202s32.5 13.2 45.2 .9zM320 256c56.8 0 108.6 21.1 148.2 56c13.3 11.7 33.5 10.4 45.2-2.8s10.4-33.5-2.8-45.2C459.8 219.2 393 192 320 192s-139.8 27.2-190.5 72c-13.3 11.7-14.5 31.9-2.8 45.2s31.9 14.5 45.2 2.8c39.5-34.9 91.3-56 148.2-56zm64 160a64 64 0 1 0 -128 0 64 64 0 1 0 128 0z\"/></svg>`{=html}\n\n-   Username: **Posit Conf 2023**\n-   Password: **conf2023**\n\n<br>\n\n### Workshop `<svg aria-hidden=\"true\" role=\"img\" viewBox=\"0 0 496 512\" style=\"height:1em;width:0.97em;vertical-align:-0.125em;margin-left:auto;margin-right:auto;font-size:inherit;fill:currentColor;overflow:visible;position:relative;\"><path d=\"M165.9 397.4c0 2-2.3 3.6-5.2 3.6-3.3.3-5.6-1.3-5.6-3.6 0-2 2.3-3.6 5.2-3.6 3-.3 5.6 1.3 5.6 3.6zm-31.1-4.5c-.7 2 1.3 4.3 4.3 4.9 2.6 1 5.6 0 6.2-2s-1.3-4.3-4.3-5.2c-2.6-.7-5.5.3-6.2 2.3zm44.2-1.7c-2.9.7-4.9 2.6-4.6 4.9.3 2 2.9 3.3 5.9 2.6 2.9-.7 4.9-2.6 4.6-4.6-.3-1.9-3-3.2-5.9-2.9zM244.8 8C106.1 8 0 113.3 0 252c0 110.9 69.8 205.8 169.5 239.2 12.8 2.3 17.3-5.6 17.3-12.1 0-6.2-.3-40.4-.3-61.4 0 0-70 15-84.7-29.8 0 0-11.4-29.1-27.8-36.6 0 0-22.9-15.7 1.6-15.4 0 0 24.9 2 38.6 25.8 21.9 38.6 58.6 27.5 72.9 20.9 2.3-16 8.8-27.1 16-33.7-55.9-6.2-112.3-14.3-112.3-110.5 0-27.5 7.6-41.3 23.6-58.9-2.6-6.5-11.1-33.3 2.6-67.9 20.9-6.5 69 27 69 27 20-5.6 41.5-8.5 62.8-8.5s42.8 2.9 62.8 8.5c0 0 48.1-33.6 69-27 13.7 34.7 5.2 61.4 2.6 67.9 16 17.7 25.8 31.5 25.8 58.9 0 96.5-58.9 104.2-114.8 110.5 9.2 7.9 17 22.9 17 46.4 0 33.7-.3 75.4-.3 83.6 0 6.5 4.6 14.4 17.3 12.1C428.2 457.8 496 362.9 496 252 496 113.3 383.5 8 244.8 8zM97.2 352.9c-1.3 1-1 3.3.7 5.2 1.6 1.6 3.9 2.3 5.2 1 1.3-1 1-3.3-.7-5.2-1.6-1.6-3.9-2.3-5.2-1zm-10.8-8.1c-.7 1.3.3 2.9 2.3 3.9 1.6 1 3.6.7 4.3-.7.7-1.3-.3-2.9-2.3-3.9-2-.6-3.6-.3-4.3.7zm32.4 35.6c-1.6 1.3-1 4.3 1.3 6.2 2.3 2.3 5.2 2.6 6.5 1 1.3-1.3.7-4.3-1.3-6.2-2.2-2.3-5.2-2.6-6.5-1zm-11.4-14.7c-1.6 1-1.6 3.6 0 5.9 1.6 2.3 4.3 3.3 5.6 2.3 1.6-1.3 1.6-3.9 0-6.2-1.4-2.3-4-3.3-5.6-2z\"/></svg>`{=html}\n\n-   Website: [pos.it/arrow-conf23](https://pos.it/arrow-conf23)\n-   GitHub: [github.com/posit-conf-2023/arrow](https://github.com/posit-conf-2023/arrow)\n\n## Housekeeping\n\n<br>\n\n### Gender Neutral Bathrooms `<svg aria-hidden=\"true\" role=\"img\" viewBox=\"0 0 320 512\" style=\"height:1em;width:0.62em;vertical-align:-0.125em;margin-left:auto;margin-right:auto;font-size:inherit;fill:currentColor;overflow:visible;position:relative;\"><path d=\"M160 0a48 48 0 1 1 0 96 48 48 0 1 1 0-96zm8 352V128h6.9c33.7 0 64.9 17.7 82.3 46.6l58.3 97c9.1 15.1 4.2 34.8-10.9 43.9s-34.8 4.2-43.9-10.9L232 256.9V480c0 17.7-14.3 32-32 32s-32-14.3-32-32V352h0zM58.2 182.3c19.9-33.1 55.3-53.5 93.8-54.3V384h0v96c0 17.7-14.3 32-32 32s-32-14.3-32-32V384H70.2c-10.9 0-18.6-10.7-15.2-21.1L93.3 248.1 59.4 304.5c-9.1 15.1-28.8 20-43.9 10.9s-20-28.8-10.9-43.9l53.6-89.2z\"/></svg>`{=html}\n\n-   Among the Grand Suite Bathrooms\n\n### Specialty Rooms `<svg aria-hidden=\"true\" role=\"img\" viewBox=\"0 0 448 512\" style=\"height:1em;width:0.88em;vertical-align:-0.125em;margin-left:auto;margin-right:auto;font-size:inherit;fill:currentColor;overflow:visible;position:relative;\"><path d=\"M301.1 34.8C312.6 40 320 51.4 320 64V448c0 12.6-7.4 24-18.9 29.2s-25 3.1-34.4-5.3L131.8 352H64c-35.3 0-64-28.7-64-64V224c0-35.3 28.7-64 64-64h67.8L266.7 40.1c9.4-8.4 22.9-10.4 34.4-5.3zM412.6 181.5C434.1 199.1 448 225.9 448 256s-13.9 56.9-35.4 74.5c-10.3 8.4-25.4 6.8-33.8-3.5s-6.8-25.4 3.5-33.8C393.1 284.4 400 271 400 256s-6.9-28.4-17.7-37.3c-10.3-8.4-11.8-23.5-3.5-33.8s23.5-11.8 33.8-3.5z\"/></svg>`{=html}\n\n-   Meditation/Prayer Rooms (Grand Suite 2A & 2B)\n-   Lactation Room (Grand Suite 1)\n\n### Red Lanyards `<svg aria-hidden=\"true\" role=\"img\" viewBox=\"0 0 448 512\" style=\"height:1em;width:0.88em;vertical-align:-0.125em;margin-left:auto;margin-right:auto;font-size:inherit;fill:currentColor;overflow:visible;position:relative;\"><path d=\"M48 128c-17.7 0-32 14.3-32 32s14.3 32 32 32H400c17.7 0 32-14.3 32-32s-14.3-32-32-32H48zm0 192c-17.7 0-32 14.3-32 32s14.3 32 32 32H400c17.7 0 32-14.3 32-32s-14.3-32-32-32H48z\"/></svg>`{=html}`<svg aria-hidden=\"true\" role=\"img\" viewBox=\"0 0 448 512\" style=\"height:1em;width:0.88em;vertical-align:-0.125em;margin-left:auto;margin-right:auto;font-size:inherit;fill:currentColor;overflow:visible;position:relative;\"><path d=\"M48 128c-17.7 0-32 14.3-32 32s14.3 32 32 32H400c17.7 0 32-14.3 32-32s-14.3-32-32-32H48zm0 192c-17.7 0-32 14.3-32 32s14.3 32 32 32H400c17.7 0 32-14.3 32-32s-14.3-32-32-32H48z\"/></svg>`{=html} **NO** `<svg aria-hidden=\"true\" role=\"img\" viewBox=\"0 0 512 512\" style=\"height:1em;width:1em;vertical-align:-0.125em;margin-left:auto;margin-right:auto;font-size:inherit;fill:currentColor;overflow:visible;position:relative;\"><path d=\"M149.1 64.8L138.7 96H64C28.7 96 0 124.7 0 160V416c0 35.3 28.7 64 64 64H448c35.3 0 64-28.7 64-64V160c0-35.3-28.7-64-64-64H373.3L362.9 64.8C356.4 45.2 338.1 32 317.4 32H194.6c-20.7 0-39 13.2-45.5 32.8zM256 192a96 96 0 1 1 0 192 96 96 0 1 1 0-192z\"/></svg>`{=html}\n\n## Code of Conduct\n\n<br>\n\n### `<svg aria-hidden=\"true\" role=\"img\" viewBox=\"0 0 640 512\" style=\"height:1em;width:1.25em;vertical-align:-0.125em;margin-left:auto;margin-right:auto;font-size:inherit;fill:currentColor;overflow:visible;position:relative;\"><path d=\"M579.8 267.7c56.5-56.5 56.5-148 0-204.5c-50-50-128.8-56.5-186.3-15.4l-1.6 1.1c-14.4 10.3-17.7 30.3-7.4 44.6s30.3 17.7 44.6 7.4l1.6-1.1c32.1-22.9 76-19.3 103.8 8.6c31.5 31.5 31.5 82.5 0 114L422.3 334.8c-31.5 31.5-82.5 31.5-114 0c-27.9-27.9-31.5-71.8-8.6-103.8l1.1-1.6c10.3-14.4 6.9-34.4-7.4-44.6s-34.4-6.9-44.6 7.4l-1.1 1.6C206.5 251.2 213 330 263 380c56.5 56.5 148 56.5 204.5 0L579.8 267.7zM60.2 244.3c-56.5 56.5-56.5 148 0 204.5c50 50 128.8 56.5 186.3 15.4l1.6-1.1c14.4-10.3 17.7-30.3 7.4-44.6s-30.3-17.7-44.6-7.4l-1.6 1.1c-32.1 22.9-76 19.3-103.8-8.6C74 372 74 321 105.5 289.5L217.7 177.2c31.5-31.5 82.5-31.5 114 0c27.9 27.9 31.5 71.8 8.6 103.9l-1.1 1.6c-10.3 14.4-6.9 34.4 7.4 44.6s34.4 6.9 44.6-7.4l1.1-1.6C433.5 260.8 427 182 377 132c-56.5-56.5-148-56.5-204.5 0L60.2 244.3z\"/></svg>`{=html} [posit.co/code-of-conduct/](https://posit.co/code-of-conduct/)\n\n-   Contact any posit::conf staff member, identifiable by their staff t-shirt, or visit the conference general information desk.\n-   Send a message to conf\\@posit.com; event organizers will respond promptly.\n-   Call +1-844-448-1212; this phone number will be monitored for the duration of the event.\n\n## Meet Your Teaching Team `<svg aria-hidden=\"true\" role=\"img\" viewBox=\"0 0 640 512\" style=\"height:1em;width:1.25em;vertical-align:-0.125em;margin-left:auto;margin-right:auto;font-size:inherit;fill:currentColor;overflow:visible;position:relative;\"><path d=\"M72 88a56 56 0 1 1 112 0A56 56 0 1 1 72 88zM64 245.7C54 256.9 48 271.8 48 288s6 31.1 16 42.3V245.7zm144.4-49.3C178.7 222.7 160 261.2 160 304c0 34.3 12 65.8 32 90.5V416c0 17.7-14.3 32-32 32H96c-17.7 0-32-14.3-32-32V389.2C26.2 371.2 0 332.7 0 288c0-61.9 50.1-112 112-112h32c24 0 46.2 7.5 64.4 20.3zM448 416V394.5c20-24.7 32-56.2 32-90.5c0-42.8-18.7-81.3-48.4-107.7C449.8 183.5 472 176 496 176h32c61.9 0 112 50.1 112 112c0 44.7-26.2 83.2-64 101.2V416c0 17.7-14.3 32-32 32H480c-17.7 0-32-14.3-32-32zm8-328a56 56 0 1 1 112 0A56 56 0 1 1 456 88zM576 245.7v84.7c10-11.3 16-26.1 16-42.3s-6-31.1-16-42.3zM320 32a64 64 0 1 1 0 128 64 64 0 1 1 0-128zM240 304c0 16.2 6 31 16 42.3V261.7c-10 11.3-16 26.1-16 42.3zm144-42.3v84.7c10-11.3 16-26.1 16-42.3s-6-31.1-16-42.3zM448 304c0 44.7-26.2 83.2-64 101.2V448c0 17.7-14.3 32-32 32H288c-17.7 0-32-14.3-32-32V405.2c-37.8-18-64-56.5-64-101.2c0-61.9 50.1-112 112-112h32c61.9 0 112 50.1 112 112z\"/></svg>`{=html}\n\n<br>\n\n### Co-Instructors\n\n-   Nic Crane\n-   Steph Hazlitt\n\n### Teaching Assistants\n\n-   Ian Lyttle\n-   Jonathan Keane\n\n## Meet Eachother `<svg aria-hidden=\"true\" role=\"img\" viewBox=\"0 0 640 512\" style=\"height:1em;width:1.25em;vertical-align:-0.125em;margin-left:auto;margin-right:auto;font-size:inherit;fill:currentColor;overflow:visible;position:relative;\"><path d=\"M272.2 64.6l-51.1 51.1c-15.3 4.2-29.5 11.9-41.5 22.5L153 161.9C142.8 171 129.5 176 115.8 176H96V304c20.4 .6 39.8 8.9 54.3 23.4l35.6 35.6 7 7 0 0L219.9 397c6.2 6.2 16.4 6.2 22.6 0c1.7-1.7 3-3.7 3.7-5.8c2.8-7.7 9.3-13.5 17.3-15.3s16.4 .6 22.2 6.5L296.5 393c11.6 11.6 30.4 11.6 41.9 0c5.4-5.4 8.3-12.3 8.6-19.4c.4-8.8 5.6-16.6 13.6-20.4s17.3-3 24.4 2.1c9.4 6.7 22.5 5.8 30.9-2.6c9.4-9.4 9.4-24.6 0-33.9L340.1 243l-35.8 33c-27.3 25.2-69.2 25.6-97 .9c-31.7-28.2-32.4-77.4-1.6-106.5l70.1-66.2C303.2 78.4 339.4 64 377.1 64c36.1 0 71 13.3 97.9 37.2L505.1 128H544h40 40c8.8 0 16 7.2 16 16V352c0 17.7-14.3 32-32 32H576c-11.8 0-22.2-6.4-27.7-16H463.4c-3.4 6.7-7.9 13.1-13.5 18.7c-17.1 17.1-40.8 23.8-63 20.1c-3.6 7.3-8.5 14.1-14.6 20.2c-27.3 27.3-70 30-100.4 8.1c-25.1 20.8-62.5 19.5-86-4.1L159 404l-7-7-35.6-35.6c-5.5-5.5-12.7-8.7-20.4-9.3C96 369.7 81.6 384 64 384H32c-17.7 0-32-14.3-32-32V144c0-8.8 7.2-16 16-16H56 96h19.8c2 0 3.9-.7 5.3-2l26.5-23.6C175.5 77.7 211.4 64 248.7 64H259c4.4 0 8.9 .2 13.2 .6zM544 320V176H496c-5.9 0-11.6-2.2-15.9-6.1l-36.9-32.8c-18.2-16.2-41.7-25.1-66.1-25.1c-25.4 0-49.8 9.7-68.3 27.1l-70.1 66.2c-10.3 9.8-10.1 26.3 .5 35.7c9.3 8.3 23.4 8.1 32.5-.3l71.9-66.4c9.7-9 24.9-8.4 33.9 1.4s8.4 24.9-1.4 33.9l-.8 .8 74.4 74.4c10 10 16.5 22.3 19.4 35.1H544zM64 336a16 16 0 1 0 -32 0 16 16 0 1 0 32 0zm528 16a16 16 0 1 0 0-32 16 16 0 1 0 0 32z\"/></svg>`{=html}\n\n<br>\n\n-   When did you use R for the first time?\n-   What is your favorite R package?\n-   Which package hex sticker would you like to find the most during posit::conf(2023)?\n\n## Getting Help Today `<svg aria-hidden=\"true\" role=\"img\" viewBox=\"0 0 448 512\" style=\"height:1em;width:0.88em;vertical-align:-0.125em;margin-left:auto;margin-right:auto;font-size:inherit;fill:currentColor;overflow:visible;position:relative;\"><path d=\"M48 24C48 10.7 37.3 0 24 0S0 10.7 0 24V64 350.5 400v88c0 13.3 10.7 24 24 24s24-10.7 24-24V388l80.3-20.1c41.1-10.3 84.6-5.5 122.5 13.4c44.2 22.1 95.5 24.8 141.7 7.4l34.7-13c12.5-4.7 20.8-16.6 20.8-30V66.1c0-23-24.2-38-44.8-27.7l-9.6 4.8c-46.3 23.2-100.8 23.2-147.1 0c-35.1-17.6-75.4-22-113.5-12.5L48 52V24zm0 77.5l96.6-24.2c27-6.7 55.5-3.6 80.4 8.8c54.9 27.4 118.7 29.7 175 6.8V334.7l-24.4 9.1c-33.7 12.6-71.2 10.7-103.4-5.4c-48.2-24.1-103.3-30.1-155.6-17.1L48 338.5v-237z\"/></svg>`{=html}\n\n<br>\n\n[TEAL]{style=\"color:teal;\"} sticky note: I am OK / I am done\n\n[PINK]{style=\"color:pink;\"} sticky note: I need support / I am working\n\n<br>\n\n`<svg aria-hidden=\"true\" role=\"img\" viewBox=\"0 0 512 512\" style=\"height:1em;width:1em;vertical-align:-0.125em;margin-left:auto;margin-right:auto;font-size:inherit;fill:currentColor;overflow:visible;position:relative;\"><path d=\"M256 0c-25.3 0-47.2 14.7-57.6 36c-7-2.6-14.5-4-22.4-4c-35.3 0-64 28.7-64 64V261.5l-2.7-2.7c-25-25-65.5-25-90.5 0s-25 65.5 0 90.5L106.5 437c48 48 113.1 75 181 75H296h8c1.5 0 3-.1 4.5-.4c91.7-6.2 165-79.4 171.1-171.1c.3-1.5 .4-3 .4-4.5V160c0-35.3-28.7-64-64-64c-5.5 0-10.9 .7-16 2V96c0-35.3-28.7-64-64-64c-7.9 0-15.4 1.4-22.4 4C303.2 14.7 281.3 0 256 0zM240 96.1c0 0 0-.1 0-.1V64c0-8.8 7.2-16 16-16s16 7.2 16 16V95.9c0 0 0 .1 0 .1V232c0 13.3 10.7 24 24 24s24-10.7 24-24V96c0 0 0 0 0-.1c0-8.8 7.2-16 16-16s16 7.2 16 16v55.9c0 0 0 .1 0 .1v80c0 13.3 10.7 24 24 24s24-10.7 24-24V160.1c0 0 0-.1 0-.1c0-8.8 7.2-16 16-16s16 7.2 16 16V332.9c-.1 .6-.1 1.3-.2 1.9c-3.4 69.7-59.3 125.6-129 129c-.6 0-1.3 .1-1.9 .2H296h-8.5c-55.2 0-108.1-21.9-147.1-60.9L52.7 315.3c-6.2-6.2-6.2-16.4 0-22.6s16.4-6.2 22.6 0L119 336.4c6.9 6.9 17.2 8.9 26.2 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d=\"M524.531,69.836a1.5,1.5,0,0,0-.764-.7A485.065,485.065,0,0,0,404.081,32.03a1.816,1.816,0,0,0-1.923.91,337.461,337.461,0,0,0-14.9,30.6,447.848,447.848,0,0,0-134.426,0,309.541,309.541,0,0,0-15.135-30.6,1.89,1.89,0,0,0-1.924-.91A483.689,483.689,0,0,0,116.085,69.137a1.712,1.712,0,0,0-.788.676C39.068,183.651,18.186,294.69,28.43,404.354a2.016,2.016,0,0,0,.765,1.375A487.666,487.666,0,0,0,176.02,479.918a1.9,1.9,0,0,0,2.063-.676A348.2,348.2,0,0,0,208.12,430.4a1.86,1.86,0,0,0-1.019-2.588,321.173,321.173,0,0,1-45.868-21.853,1.885,1.885,0,0,1-.185-3.126c3.082-2.309,6.166-4.711,9.109-7.137a1.819,1.819,0,0,1,1.9-.256c96.229,43.917,200.41,43.917,295.5,0a1.812,1.812,0,0,1,1.924.233c2.944,2.426,6.027,4.851,9.132,7.16a1.884,1.884,0,0,1-.162,3.126,301.407,301.407,0,0,1-45.89,21.83,1.875,1.875,0,0,0-1,2.611,391.055,391.055,0,0,0,30.014,48.815,1.864,1.864,0,0,0,2.063.7A486.048,486.048,0,0,0,610.7,405.729a1.882,1.882,0,0,0,.765-1.352C623.729,277.594,590.933,167.465,524.531,69.836ZM222.491,337.58c-28.972,0-52.844-26.587-52.844-59.239S193.056,219.1,222.491,219.1c29.665,0,53.306,26.82,52.843,59.239C275.334,310.993,251.924,337.58,222.491,337.58Zm195.38,0c-28.971,0-52.843-26.587-52.843-59.239S388.437,219.1,417.871,219.1c29.667,0,53.307,26.82,52.844,59.239C470.715,310.993,447.538,337.58,417.871,337.58Z\"/></svg>`{=html}\n\n-   [pos.it/conf-event-portal](http://pos.it/conf-event-portal) (login)\n-   Click on \"Join Discord, the virtual networking platform!\"\n-   Browse Channels -> `#big-data-with-arrow`\n\n## We Assume\n\n-   You know `<svg aria-hidden=\"true\" role=\"img\" viewBox=\"0 0 581 512\" style=\"height:1em;width:1.13em;vertical-align:-0.125em;margin-left:auto;margin-right:auto;font-size:inherit;fill:currentColor;overflow:visible;position:relative;\"><path d=\"M581 226.6C581 119.1 450.9 32 290.5 32S0 119.1 0 226.6C0 322.4 103.3 402 239.4 418.1V480h99.1v-61.5c24.3-2.7 47.6-7.4 69.4-13.9L448 480h112l-67.4-113.7c54.5-35.4 88.4-84.9 88.4-139.7zm-466.8 14.5c0-73.5 98.9-133 220.8-133s211.9 40.7 211.9 133c0 50.1-26.5 85-70.3 106.4-2.4-1.6-4.7-2.9-6.4-3.7-10.2-5.2-27.8-10.5-27.8-10.5s86.6-6.4 86.6-92.7-90.6-87.9-90.6-87.9h-199V361c-74.1-21.5-125.2-67.1-125.2-119.9zm225.1 38.3v-55.6c57.8 0 87.8-6.8 87.8 27.3 0 36.5-38.2 28.3-87.8 28.3zm-.9 72.5H365c10.8 0 18.9 11.7 24 19.2-16.1 1.9-33 2.8-50.6 2.9v-22.1z\"/></svg>`{=html}\n-   You are familiar with the [dplyr](https://dplyr.tidyverse.org/) package for data manipulation `<svg aria-hidden=\"true\" role=\"img\" viewBox=\"0 0 512 512\" style=\"height:1em;width:1em;vertical-align:-0.125em;margin-left:auto;margin-right:auto;font-size:inherit;fill:currentColor;overflow:visible;position:relative;\"><path d=\"M78.6 5C69.1-2.4 55.6-1.5 47 7L7 47c-8.5 8.5-9.4 22-2.1 31.6l80 104c4.5 5.9 11.6 9.4 19 9.4h54.1l109 109c-14.7 29-10 65.4 14.3 89.6l112 112c12.5 12.5 32.8 12.5 45.3 0l64-64c12.5-12.5 12.5-32.8 0-45.3l-112-112c-24.2-24.2-60.6-29-89.6-14.3l-109-109V104c0-7.5-3.5-14.5-9.4-19L78.6 5zM19.9 396.1C7.2 408.8 0 426.1 0 444.1C0 481.6 30.4 512 67.9 512c18 0 35.3-7.2 48-19.9L233.7 374.3c-7.8-20.9-9-43.6-3.6-65.1l-61.7-61.7L19.9 396.1zM512 144c0-10.5-1.1-20.7-3.2-30.5c-2.4-11.2-16.1-14.1-24.2-6l-63.9 63.9c-3 3-7.1 4.7-11.3 4.7H352c-8.8 0-16-7.2-16-16V102.6c0-4.2 1.7-8.3 4.7-11.3l63.9-63.9c8.1-8.1 5.2-21.8-6-24.2C388.7 1.1 378.5 0 368 0C288.5 0 224 64.5 224 144l0 .8 85.3 85.3c36-9.1 75.8 .5 104 28.7L429 274.5c49-23 83-72.8 83-130.5zM56 432a24 24 0 1 1 48 0 24 24 0 1 1 -48 0z\"/></svg>`{=html}\n-   You have data in your life that is too large to fit into memory or sluggish in memory\n-   You want to learn how to engineer your data storage for more performant access and analysis\n",
     "supporting": [],
     "filters": [
       "rmarkdown/pagebreak.lua"
diff --git a/materials/0_housekeeping.qmd b/materials/0_housekeeping.qmd
index b57f2b7..c2f7bd7 100644
--- a/materials/0_housekeeping.qmd
+++ b/materials/0_housekeeping.qmd
@@ -80,7 +80,7 @@ editor: source
 
 <br>
 
-[GREEN]{style="color:green;"} sticky note: I am OK / I am done
+[TEAL]{style="color:teal;"} sticky note: I am OK / I am done
 
 [PINK]{style="color:pink;"} sticky note: I need support / I am working