<div dir="ltr">Dear Andrew and GrADS users,<div><br></div><div><font face="arial, helvetica, sans-serif">I want to prepare a figure showing <span style="letter-spacing:0.17000000178813934px">regions statistically significant at the 99% confidence level (using Student’s </span><i style="letter-spacing:0.17000000178813934px">t</i><span style="letter-spacing:0.17000000178813934px">-test) by subtracting model from observation.</span></font></div><div><font face="arial, helvetica, sans-serif"><span style="letter-spacing:0.17000000178813934px"><br></span></font></div><div><font face="arial, helvetica, sans-serif"><span style="letter-spacing:0.17000000178813934px">Please see attached file as a sample.</span></font><span style="letter-spacing:0.17000000178813934px;font-family:arial,helvetica,sans-serif">The statistically significant areas are presented as black dots in the figure.</span></div><div><span style="letter-spacing:0.17000000178813934px;font-family:arial,helvetica,sans-serif"><br></span></div><div><br></div><div>How can i obtain such figure<span style="letter-spacing:0.17000000178813934px;font-family:arial,helvetica,sans-serif"> using </span>GrADS.</div><div><font face="arial, helvetica, sans-serif"><span style="letter-spacing:0.17000000178813934px"><br></span></font></div><div><font face="arial, helvetica, sans-serif"><span style="letter-spacing:0.17000000178813934px"><br></span></font></div><div><font face="arial, helvetica, sans-serif"><span style="letter-spacing:0.17000000178813934px">Please guide me.</span></font></div><div><font face="arial, helvetica, sans-serif"><span style="letter-spacing:0.17000000178813934px"><br></span></font></div><div><font face="arial, helvetica, sans-serif"><span style="letter-spacing:0.17000000178813934px">Thank you</span></font></div><div><font face="arial, helvetica, sans-serif"><span style="letter-spacing:0.17000000178813934px"><br></span></font></div><div><font face="arial, helvetica, sans-serif"><span style="letter-spacing:0.17000000178813934px">With Best Regards,</span></font></div><div><font face="arial, helvetica, sans-serif"><span style="letter-spacing:0.17000000178813934px"><br></span></font></div><div><font face="arial, helvetica, sans-serif"><span style="letter-spacing:0.17000000178813934px">Mehwish</span></font></div><div><font face="arial, helvetica, sans-serif"><span style="letter-spacing:0.17000000178813934px"><br></span></font></div><div><font face="arial, helvetica, sans-serif"><span style="letter-spacing:0.17000000178813934px"><br></span></font></div><div><font face="arial, helvetica, sans-serif"><span style="letter-spacing:0.17000000178813934px">PS: The figure attached as sample is just for reference purpose. </span></font></div><div><font face="arial, helvetica, sans-serif"><span style="letter-spacing:0.17000000178813934px">Figure reference: </span></font><a href="http://www.nature.com/articles/srep11847/figures/1">http://www.nature.com/articles/srep11847/figures/1</a>. Retrieved on 25/01/2017</div><div><br></div></div>