Path: csiph.com!x330-a1.tempe.blueboxinc.net!usenet.pasdenom.info!news.albasani.net!fu-berlin.de!uni-berlin.de!news.dfncis.de!not-for-mail From: =?ISO-8859-1?Q?Hans-Bernhard_Br=F6ker?= Newsgroups: comp.graphics.apps.gnuplot Subject: Re: Calculate R-squared value from gnuplot 'fit' output? Date: Thu, 29 Dec 2011 12:39:53 +0100 Lines: 7 Message-ID: <9m31s8FmgoU1@mid.dfncis.de> References: <9d8f352e-5f07-45c2-8eee-1fa5c58eeba0@f33g2000yqh.googlegroups.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Trace: news.dfncis.de vwq2zLGtUOaRGAHxtTOHdw0tTQWR2vJUFDV/51Sa1GRsRS4e/6dSHJ44Ay Cancel-Lock: sha1:GZQnYn4+LfUouw97HmylJulZ43c= User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:8.0) Gecko/20111105 Thunderbird/8.0 In-Reply-To: Xref: x330-a1.tempe.blueboxinc.net comp.graphics.apps.gnuplot:797 On 29.12.2011 09:17, wolfgang wrote: > Why does that take 3 iterations? That is just a linear LS problem? Because 'fit' is not linear regression. Generic tools generally don't work as smoothly as special-purpose ones.