Cleanup data and add "merged" column

sed 's/, /,/g' history2.csv | sed 's/\([+-]\)\([0-9]\{2\}\)\([0-9]\{2\}\)/\1\2:\3/g' | sed 's/^\([^,]*,[^,]*\),/\1,true,/' | grep -v "Binary" | grep -v "Iteration" | grep -v ",," > data.csv