Data Mining Phun

Data

$ sqlite3 data/db.sqlite3 tables.sql
$ python load_commits.py
$ python load_bugs.py
$ python mr.py # init_data
$ python mr.py data/bugs_files.txt > data/paths_weights.txt
$ awk '{print $1":"$2}' data/paths_weights.txt | sort -t : -k 2,2nr | tail -n +224

Plots

$ gnuplot

reset
n=100
max=10
min=0
width=(max-min)/n
hist(x,width)=width*floor(x/width)+width/2.0
set term png
set output "histogram.png"
set xrange [min:max]
set yrange [0:]
set offset graph 0.05,0.05,0.05,0.0
set xtics min,(max-min)/5,max
set boxwidth width*0.9
set style fill solid 0.5
set tics out nomirror
set xlabel "Path weights"
set ylabel "Frequency"
plot "gnuplot.data" u (hist($1,width)):(1.0) smooth freq w boxes lc rgb"green" notitle