<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><div>On Feb 9, 2009, at 8:15 AM, Moritz Lennert wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div>On 09/02/09 16:59, Rainer M Krug wrote:<br><blockquote type="cite">Just one clarification: I would like to calculate these descriptive<br></blockquote><blockquote type="cite">stats for each cell, to obtain "variability maps".<br></blockquote><blockquote type="cite">Rainer<br></blockquote><blockquote type="cite">On Mon, Feb 9, 2009 at 5:57 PM, Rainer M Krug <<a href="mailto:r.m.krug@gmail.com">r.m.krug@gmail.com</a>> wrote:<br></blockquote><blockquote type="cite"><blockquote type="cite">Hi<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">I have 25000 maps, generated by simulation predictions, and I would<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">like to calculate some descriptive stats, like mean, standard<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">deviation, median, quartiles.<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">Is there an easy way of doing this in GRASS?<br></blockquote></blockquote><br><br>r.series ?<br><br>You will probably have to use xargs to collate that many map names...<br></div></blockquote></div><br><div>Or you can use g.mlist if the names have a common prefix, suffix, etc. This assumes you want a single map that displays the result of all the input maps.</div><div><br></div><div>E.g.</div><div><br></div><div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 14px/normal Helvetica; ">r.series input="`g.mlist rast pattern='prefix_*' sep=,`" output=prefix_stddev method=stddev</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 14px/normal Helvetica; "><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 14px/normal Helvetica; ">John</div></div></body></html>