On Sat, 29 Dec 2012, artur tarassow wrote:
 actually this is a gnuplot issue but I thought that somebody may help
me
 with this.
 I set up a function (see file attached) to plot some barplots but it does
 not work as it is planned. I have a matrix
 A = { 1999, 2.2, 3, 2 ; 2000, 2.8, 1.1, 2 ; 2001, 3, 2.2, 2; 2002, 2.2, 3,
 2 } for which I want to plot columns 2 to 4 for each year but at the moment
 only column 2 is plotted. 
Artur, you need a "plot" sub-line for each e-terminated block of 
data to be plotted, as in
plot '-' using <whatever> , \
      '-' using <whatever> , \
      '-' using <whatever> , \
      '-' using <whatever>
Allin Cottrell