Created
October 12, 2013 18:23
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AWK: generate random sample for training and testing
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| awk 'BEGIN {srand()} !/^$/ {printf "%s %f\n",$0, rand()}' merged.arff | sort -n -k2 | | |
| awk '{ | |
| if(NR<=10) {printf "%s\n", $1 >> "t01.csv"} | |
| if(NR<=20) {printf "%s\n", $1 >> "t02.csv"} | |
| if(NR<=40) {printf "%s\n", $1 >> "t03.csv"} | |
| if(NR<=80) {printf "%s\n", $1 >> "t04.csv"} | |
| if(NR<=160) {printf "%s\n", $1 >> "t05.csv"} | |
| if(NR<=320) {printf "%s\n", $1 >> "t06.csv"} | |
| if(NR>320) {printf "%s\n", $1 >> "test.csv"} | |
| }' |
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