Dear Thanh, NT
<div>It is difficult to create at taylor diagram in grads,However it is much easier to implement using R package available from</div><div><a href="http://cran.r-project.org/bin/windows/base/" target="_blank">http://cran.r-project.org/bin/windows/base/</a>
</div><div><br></div><div>After downloading the above package, you need a plotrix package available here:</div><div><a href="http://cran.r-project.org/web/packages/plotrix/index.html" target="_blank">http://cran.r-project.org/web/packages/plotrix/index.html</a>
</div><div><br></div><div>The refernce manual of plotrix package is available on the same page.</div><div><br></div><div>First you need to install plotrix package and then load it.</div><div>Then use the following example:</div>
<div>obs<-c(1,2,3,3,4,5,6)</div><div>model<-c(2,3,8,9,7,6,5)</div><div>taylor.diagram(obs,model,pos.cor=FALSE)</div><div><br></div><div>To add the second data series,after the above three lines use the below line:</div>
<div>model2<-c(1,2,3,4,6,7,5)</div><div>taylor.diagram(obs,model,pos.cor=FALSE,add=TRUE)
</div><div><br></div><div>The final result will display three points respective to your three columns.</div><div><br></div><div>Hope this helps.</div><div><br></div><div>Thanks & Regards,</div><div>Neha Sharma</div><div>
India</div>