for multiple columns
#if $xtic.userSpecified == "Yes" #bar_chart.py $input $xtic.xticColumn $colList "$title" "$ylabel" $ymin $ymax $out_file1 "$pdf_size"
#else #bar_chart.py $input 0 $colList "$title" "$ylabel" $ymin $ymax $out_file1 "$pdf_size"
#end if
GnuplotNumeric
**What it does**
This tool builds a bar chart on one or more columns. Suppose you have dataset like this one::
Gene1 10 15
Gene2 20 14
Gene3 67 45
Gene4 55 12
Graphing columns 2 and 3 while using column 1 for X Tick Labels will produce the following plot:
.. image:: ../static/images/bar_chart.png
:height: 324
:width: 540