<div dir="ltr"><div><div><div>re: "very new to NCL" : ===> Welcome to NCL-land!<br></div><br></div>NCL is focused upon scientific data
processing and visualization. NCL does provide some basic statistical functions for some commonly performed statistics:<br><br> <a href="http://www.ncl.ucar.edu/Document/Functions/statistics.shtml">http://www.ncl.ucar.edu/Document/Functions/statistics.shtml</a><br></div><div>and/or<br> <a href="https://www.ncl.ucar.edu/Document/Functions/math.shtml">https://www.ncl.ucar.edu/Document/Functions/math.shtml</a><br><br></div><div>However, NCL is not the 'R' language (public domain) or 'Matlab' (commercial). These are likely better tools for sophisticated/robust statistical applications. <br><br>---<br></div><div>That said ...<br><br></div><div>I am not sure I understand your objective. You have<br><br>[1] "I am having 3d dependent variable which is in latitude, longitude and time"<br> Y(time,lat,lon) <br><br>[2] "3 independent 1d time series variables (X1, X2, X3)"</div><div> X1(time), X2(time), X3(time)<br><br></div><div>If you are looking at a particular location for the Y variable<br><br></div><div> LAT = 25.0<br></div><div> LON = 90.0<br> <br></div><div> YTS = Y(:,{LAT},{LON}) ===> YTS(time)<br><br></div><div>===<br><pre> N = <a href="https://www.ncl.ucar.edu/Document/Functions/Built-in/dimsizes.shtml"><strong>dimsizes</strong></a>(YTS)
M = 3
; create independent array
X = <a href="https://www.ncl.ucar.edu/Document/Functions/Built-in/new.shtml"><strong>new</strong></a> ( (/M+1,N/), "float" )
X(0,:) = 1.0 ; constant term on rhs
X(1,:) = X1
X(2,:) = X2<br> X(3,:) = X3<br></pre><pre> beta = <strong>reg_multlin</strong> (YTS,X,False)
<a href="https://www.ncl.ucar.edu/Document/Functions/Built-in/print.shtml"><strong>print</strong></a>(beta)
</pre></div><div><br><br></div><div><br><br></div><div><br><br></div><div> <br>
<h1><br></h1></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Sat, Jun 24, 2017 at 6:57 PM, saurabh rathore <span dir="ltr"><<a href="mailto:rohitsrb2020@gmail.com" target="_blank">rohitsrb2020@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div class="gmail_default" style="color:rgb(0,0,0)">Hi,<br></div><div class="gmail_default" style="color:rgb(0,0,0)">I am very new to NCL uses and I want to do multi linear regression analysis. I am having 3d dependent variable which is in latitude, longitude and time i.e. (Y) and 3 independent 1d time series variables (X1, X2, X3). so I want to perform multi linear regression analysis from these variable. But I am under confident in doing this. can anyone help me out for this analysis. <br></div><div class="gmail_default" style="color:rgb(0,0,0)">I went through the link <a href="http://www.ncl.ucar.edu/Document/Functions/Built-in/reg_multlin.shtml" target="_blank">http://www.ncl.ucar.edu/<wbr>Document/Functions/Built-in/<wbr>reg_multlin.shtml</a> but it seems it is only for 1d variables. is this the correct way to do this for 3d variables <a href="https://www.ncl.ucar.edu/Support/talk_archives/2012/3034.html" target="_blank">https://www.ncl.ucar.edu/<wbr>Support/talk_archives/2012/<wbr>3034.html</a> ?<br><br></div><div class="gmail_default" style="color:rgb(0,0,0)">any help will be highly appreciated.<br></div><div class="gmail_default" style="color:rgb(0,0,0)"><br></div><div class="gmail_default" style="color:rgb(0,0,0)">regards, saurabh <br clear="all"></div><span class="HOEnZb"><font color="#888888"><br>-- <br><div class="m_-289694430091277646gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><font size="4" color="#0000ff"><b><br></b></font></div><div><font size="4" color="#0000ff"><b><br></b></font></div><font size="4" face="times new roman, serif" color="#0000ff"><b>REGARDS</b></font><div><font size="4" face="times new roman, serif" color="#0000ff"><b><br></b></font><div><font size="4" face="times new roman, serif" color="#0000ff"><b>Saurabh Rathore</b></font></div><div><font size="4" face="times new roman, serif" color="#0000ff"><b>Research Scholar (PhD.)</b></font></div><div><font size="4" face="times new roman, serif" color="#0000ff"><b>Centre For Oceans, Rivers, Atmosphere & Land Science Technology</b></font></div><div><font size="4" face="times new roman, serif" color="#0000ff"><b>Indian Institute Of Technology, Kharagpur</b></font></div><div><font size="4" face="times new roman, serif" color="#0000ff"><b>contact :- 91- 8345984434</b></font></div></div></div></div></div></div>
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