a3

a3/a3.txt

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+Task 1: Top 10 Pickup Locations
+Average total amount, Pickup Location
+
+143.960000,221.0
+95.841289,1.0
+88.889515,265.0
+87.170930,5.0
+87.046667,156.0
+74.492931,23.0
+73.150000,99.0
+70.700000,176.0
+65.259412,118.0
+62.048144,10.0
+
+Task 2
+Highest average total amount location pair: 138.015.0

a3/a3t1.awk

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+!/bin/bash 
+
+BEGIN {
+	FS = ","
+}
+
+NR > 1 {
+	loc = $8
+	total = $17
+	sum[loc] += total
+	count[loc]++
+}
+
+END {
+	for (loc in sum) {
+		avg = sum[loc] / count[loc]
+		printf "%f,%s\n", avg, loc
+	}
+}

a3/a3t2.awk

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+!/bin/bash
+
+BEGIN{
+	FS = ","
+}
+NR > 1 {
+	pickup = $8
+	dropoff = $9
+	total = $17
+	sum[pickup, dropoff] += total
+	count[pickup, dropoff]++
+}
+END{
+	max_avg = 0
+	max_pair = ""
+
+	for (pair in sum) {
+		avg = sum[pair] / count[pair]
+		if ( avg > max_avg) {
+			max_avg = avg
+			max_pair = pair
+		}
+	}
+	printf "Highest average total amount location pair: " max_pair, max_avg
+}

a3/a3t3.awk

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+!/bin/bash 
+
+BEGIN {
+	FS = ","
+	OFS = ","
+}
+
+NR == 1 {
+    next 
+}
+
+$2 ~ /^"2019-08/ {
+    passengers = $4
+    tip = $14
+    sum[passengers] += tip
+    count[passengers]++
+}
+
+END { 
+	for  (passengers in sum){
+		avg = sum[passengers] / count[passengers]
+		print passengers, avg
+	}
+}
+
+

a3/a3t4.awk

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+!/bin/bash
+
+BEGIN {
+        FS = ","
+        OFS = ","
+}
+
+NR == 1 {
+    next
+}
+
+$2 ~ /^"2019-08/ {
+    distance = $5
+    total = $17
+    sum[distance] += total
+    count[distance]++
+}
+
+END {
+        for  (distance in sum){
+                avg = sum[distance] / count[distance]
+                print distance, avg
+        }
+}
+