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</o:shapelayout></xml><![endif]--></head><body lang=EN-NZ link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='color:#1F497D'>The problem is that while a &#8216;week&#8217; is a definite length of time, a &#8216;month&#8217; is not.&nbsp; How long is a month?&nbsp; 30 days?&nbsp; 31 days?&nbsp; 28 days even? &nbsp;It depends&#8230; Hence you cannot calculate with months.&nbsp; Use days or weeks instead.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p>&nbsp;</o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Steve<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p>&nbsp;</o:p></span></p><div><div class=MsoNormal align=center style='text-align:center'><span lang=EN-US style='color:#1F497D'><hr size=2 width="100%" align=center></span></div><p class=MsoNormal><b><span style='color:#1F497D'>Steve Shipway<o:p></o:p></span></b></p><p class=MsoNormal><span style='font-size:10.0pt;color:#1F497D'>ITS Unix Services Design Lead<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;color:#1F497D'>University of Auckland, New Zealand<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;color:#1F497D'>Floor 1, 58 Symonds Street, Auckland<o:p></o:p></span></p><p class=MsoNormal><i><span style='font-size:10.0pt;color:#595959'>Phone: +64 (0)9 3737599 ext 86487<o:p></o:p></span></i></p><p class=MsoNormal><i><span style='font-size:10.0pt;color:#595959'>DDI: +64 (0)9 924 6487<o:p></o:p></span></i></p><p class=MsoNormal><i><span style='font-size:10.0pt;color:#595959'>Mobile: +64 (0)21 753 189<o:p></o:p></span></i></p><p class=MsoNormal><i><span style='font-size:10.0pt;color:#595959'>Email: <a href="mailto:s.shipway@auckland.ac.nz"><span style='color:#595959'>s.shipway@auckland.ac.nz</span></a><o:p></o:p></span></i></p><p class=MsoNormal><span lang=EN-GB style='font-size:18.0pt;font-family:Webdings;color:green'>P</span><span lang=EN-GB style='color:blue'> </span><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial Narrow","sans-serif";color:green'>Please consider the environment before printing this e-mail</span><span lang=EN-GB style='color:blue'> </span><span lang=EN-GB style='font-size:7.5pt;font-family:"Verdana","sans-serif";color:navy'><o:p></o:p></span></p><p class=MsoNormal><i><span style='font-size:10.0pt;color:#1F497D'><o:p>&nbsp;</o:p></span></i></p></div><p class=MsoNormal><span style='color:#1F497D'><o:p>&nbsp;</o:p></span></p><div style='border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm 4.0pt'><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> rrd-users-bounces+s.shipway=auckland.ac.nz@lists.oetiker.ch [mailto:rrd-users-bounces+s.shipway=auckland.ac.nz@lists.oetiker.ch] <b>On Behalf Of </b>Shabnam Shahreza<br><b>Sent:</b> Wednesday, 19 October 2011 3:28 a.m.<br><b>To:</b> rrd-users@lists.oetiker.ch<br><b>Subject:</b> [rrd-users] strat and end as month<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p>&nbsp;</o:p></p><p class=MsoNormal><span lang=EN-US>Hi there;<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p>&nbsp;</o:p></span></p><p class=MsoNormal><span lang=EN-US>In my scripts I manage to use start and end for DEF with &#8220;weeks&#8221; formatbut anything for &#8220;month&#8221; comes back with NaN data&#8230;..<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p>&nbsp;</o:p></span></p><p class=MsoNormal><span lang=EN-US>I need to use w=something like -12m but this doesn&#8217;t work as expected&#8230;<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>However -52w works for weeks&#8230;.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p>&nbsp;</o:p></span></p><p class=MsoNormal><span lang=EN-US>Any idea?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p>&nbsp;</o:p></span></p><p class=MsoNormal><span lang=EN-US>Regards;<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p>&nbsp;</o:p></span></p><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Shabnam Shahreza</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif"'>&nbsp;<br><b>Alpha Group</b></span><span lang=EN-US> <br></span><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif"'>p: 647-259-0443&nbsp;<br>c: 647-638-6440<br>f: 416-642-2120</span><span lang=EN-US> <br></span><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif"'>70 York Street, Suite 1501</span><span lang=EN-US> <br></span><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Toronto, ON M5J 1S9 <br></span><span lang=EN-US><a href="http://www.alpha-group.ca/"><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>www.alpha-group.ca</span></a></span><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif"'> <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p>&nbsp;</o:p></span></p><p class=MsoNormal style='margin-bottom:12.0pt'><span lang=EN-US style='font-size:12.0pt;font-family:"Times New Roman","serif"'><br></span><span lang=EN-US style='font-size:12.0pt;font-family:"Arial","sans-serif";color:green'>Before printing, think about the environment</span><span lang=EN-US style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p></o:p></span></p><div class=MsoNormal align=center style='text-align:center'><span lang=EN-US style='font-size:12.0pt;font-family:"Times New Roman","serif"'><hr size=2 width="100%" align=center></span></div><p class=MsoNormal><span lang=EN-US style='font-size:12.0pt;font-family:"Arial","sans-serif";color:gray'>The information in this email is confidential and may be subject to solicitor-client privilege and laws relating to intellectual property. The information contained in this e-mail is intended solely for the addressee(s) and access to this email by anyone else is unauthorized. If you are not an intended recipient, please notify the sender of this email immediately and delete this email from your system without making a copy. You should not copy, use or disseminate the information contained in the email. Any views expressed in this email are those of the individual sender, and, except where the sender specifically indicates, do not reflect the views of Alpha Trading Systems Limited Partnership, its subsidiaries, affiliates, partners, directors, officers or employees.</span><span lang=EN-US style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p></o:p></span></p></div></div></body></html>