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<p>You might also check out Bin Guan's script library
(<a class="moz-txt-link-freetext" href="http://bguan.bol.ucla.edu/bGASL.html">http://bguan.bol.ucla.edu/bGASL.html</a>). He has "hist.gs" that
will produce histograms (<a class="moz-txt-link-freetext" href="http://bguan.bol.ucla.edu/bGASL/hist.gs">http://bguan.bol.ucla.edu/bGASL/hist.gs</a>).</p>
<p>Jim<br>
</p>
<div class="moz-cite-prefix">On 6/18/19 7:27 AM, Jeff Duda wrote:<br>
</div>
<blockquote type="cite"
cite="mid:CAAig09DuUJBTKh6s-vtoNzu2XK4AjcgPhYPXX3SLUpUhY=xHcw@mail.gmail.com">
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<div dir="ltr">Bizuayehu,
<div>Unfortunately, Grads is not well suited for plotting
probabilistic distributions from forecast data sets. While it
is technically possible, you would need to either</div>
<div>1) draw every single axis of the plot manually (i.e., using
only "draw rec(f)", "draw line" etc. after you have computed
the pdf and cdf properties (which you would also have to do
manually), or</div>
<div>2) calculate the aspects of the distribution you would like
to plot using software outside of Grads, write it to a file
format that Grads can recognize, then use that data file to
plot the distribution in Grads</div>
<div><br>
</div>
<div>I recommend neither. You would be better off using
something such as Python/matplotlib, NCL, MATLAB, or R to
create what you are looking for.</div>
<div><br>
Best of luck.</div>
<div><br>
</div>
<div>Jeff Duda</div>
</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Tue, Jun 18, 2019 at 8:39
AM bizuayeh Abera <<a
href="mailto:bizuayehu.abera@amu.edu.et"
moz-do-not-send="true">bizuayehu.abera@amu.edu.et</a>>
wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px
0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">How
can i create cdf for ensemble precipitation forecast?<br>
ECMWF having 50 ensemble preturbed forecast and 1 control
forecast, for this how can i create pdf and cdf.<br>
Bizuayehu Abera<br>
Best Regards<br>
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-- <br>
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<div dir="ltr">
<div dir="ltr"><font size="2"><span>Jeff Duda,
Research Scientist</span></font></div>
<div dir="ltr"><font size="2"><span></span></font>University
of Colorado Boulder</div>
<div dir="ltr"><font size="2"><span></span></font>Cooperative
Institute for Research in Environmental Sciences</div>
<div dir="ltr">NOAA/OAR/ESRL/Global Systems Division<br>
<font size="2"><span>
<span>Boulder, CO<br>
</span></span></font>
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