<div class="__aliyun_email_body_block"><div  style="clear:both;"><h2  style="color:#000000;font-family:Simsun;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;text-align:start;text-indent:.0px;text-transform:none;widows:2;"><b >try &nbsp;tregr()</b></h2></div><blockquote  style="margin-right:0;margin-top:0;margin-bottom:0;font-family:Tahoma,Arial,STHeiti,SimSun;font-size:14.0px;color:#000000;"><div class="clear: both">------------------------------------------------------------------</div><div class="clear: both">发件人:mehwish ramzan &lt;mehwish.ramzan@gmail.com&gt;</div><div class="clear: both">发送时间:2017年11月18日(星期六) 21:12</div><div class="clear: both">收件人:GrADS Users Forum &lt;gradsusr@gradsusr.org&gt;</div><div class="clear: both">主 题:[gradsusr] Annual time series</div><div class="clear: both"><br /></div><div >Dear GrADS users,<div ><br ></div><div >I need help in fixing the following problem.</div><div ><br ></div><div >I am trying to create an inter-annual time series for present and future climate. Now, when I&nbsp;run the script it gives me overlapping time series. What is want to obtain is the distinction between present and future precipitation change.</div><div ><br ></div><div >Also, how can I obtain a linear regression within the same graph?Kindly enlighten me.</div><div ><br ></div><div >Please see the script and an image as attached files.</div><div ><br ></div><p  style="margin:.0px;font-size:12.0px;line-height:normal;font-family:Helvetica;">Thank you</p><p  style="margin:.0px;font-size:12.0px;line-height:normal;font-family:Helvetica;"><br ></p><p  style="margin:.0px;font-size:12.0px;line-height:normal;font-family:Helvetica;">With Best Regards,</p><p  style="margin:.0px;font-size:12.0px;line-height:normal;font-family:Helvetica;"><br ></p><p  style="margin:.0px;font-size:12.0px;line-height:normal;font-family:Helvetica;">Mehwish</p></div></blockquote></div>