Plotting histograms, scatter plots in Python

[benzwt at yahoo.com.tw]

DrColombes at yahoo.com (Dr. Colombes) wrote in message news:<d1f3d1d3.0408061018.137b600f at posting.google.com>...
> What is the easiest way to generate some plots and graphs in Python ?
> 
> Specifically interested in simple histograms and scatter plots with
> circles and regression lines.
> 
> Thanks for your suggestions.

For high quality scientific plot I suggest 
 ppgplot and plplot.

pgplot (original)
http://www.astro.caltech.edu/~tjp/pgplot/

ppgplot (python module)
http://efault.net/npat/hacks/ppgplot/

plplot
http://plplot.sourceforge.net/