[gradsusr] linear trend with significance

Andrew Friedman andfried at gmail.com
Thu Oct 20 17:52:19 EDT 2016


Hi Anubhav,

You can plot significance using the GrADS pattern filling feature to hatch areas that are above a significance threshold: http://cola.gmu.edu/grads/gadoc/gradcomdsettile.html

Unfortunately I don’t do significance calculations within GrADS. Here are some GrADS significance scripts I found from the University of Wisconsin that may be helpful: http://nelson.wisc.edu/ccr/resources/grads/significance-scripts.php
The RMSE output of ltrend.gs may also be useful. Perhaps there are other scripts in the community?

-Andrew

> On Oct 20, 2016, at 6:15 PM, Anubhav Choudhary <anubha64_ses at jnu.ac.in> wrote:
> 
> Dear GrADS users,
> I have to plot the spatial distribution of linear trend of a variable say precipitation but along with significance of that trend in some way for e.g. with dots or hatching in the same plot. I can plot the trend but how to calculate the significance. can you share any script or help me in this matter?
> Thanks
> regards
> Anubhav
> 
> -- 
> Anubhav Choudhary
> Ph.D. Student 
> School of Environmental Sciences
> Jawaharlal Nehru University, New Delhi
> 
> Ph: +91-8527706122
> Email: yoursanubhav at gmail.com
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