# Plotting a histogram with gmt **URL:** \ **Category:** Q&A\ **Created:** [May 15, 2021, 12:37pm UTC](https://forum.generic-mapping-tools.org/t/plotting-a-histogram-with-gmt/1686 "2021-05-15T12:37:04Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![parker](https://avatars.discourse-cdn.com/v4/letter/p/c6cbf5/32.png) [@parker](https://forum.generic-mapping-tools.org/u/parker)\ **Post date:** [May 15, 2021, 12:37pm UTC](https://forum.generic-mapping-tools.org/t/plotting-a-histogram-with-gmt/1686/1 "2021-05-15T12:37:04Z")
Hello everyone, I am using GMT 6.1.0, and I am plotting Histogram, with my code it only gave me the frame without the bar, please what can I do for it to show the bar. below is the code “gmt pshistogram time.dat -Bxa2f1+l"year of installation” -Bya20f5+l"cummulative number of sites" -BWSne+glightblue -R1994/2015/2/145 -JX5.4i/4.4i -Gred -L1p -Z1 -W250 \>\> t.ps" posscbly the data 1994 2 1995 5 1996 6 1997 8 1998 9 1999 11 2000 41 2001 43 2002 44 2003 45 2004 49 2005 51 2006 61 2007 76 2008 99 2009 104 2010 113 2011 117 2012 137 2013 141 2014 142 2015 145 thanks ---
**Author:** ![Esteban82](https://yyz1.discourse-cdn.com/flex047/user_avatar/forum.generic-mapping-tools.org/esteban82/32/54_2.png) [@Esteban82](https://forum.generic-mapping-tools.org/u/Esteban82)\ **Post date:** [May 15, 2021, 1:07pm UTC](https://forum.generic-mapping-tools.org/t/plotting-a-histogram-with-gmt/1686/2 "2021-05-15T13:07:31Z")
In this case, due to your data set, you have to plot your data as bars with psxy. ---
**Author:** ![parker](https://avatars.discourse-cdn.com/v4/letter/p/c6cbf5/32.png) [@parker](https://forum.generic-mapping-tools.org/u/parker)\ **Post date:** [May 17, 2021, 5:58pm UTC](https://forum.generic-mapping-tools.org/t/plotting-a-histogram-with-gmt/1686/3 "2021-05-17T17:58:47Z")
Thank you, it actully work on bars. I think I may have to use bar instead of histogram