Path: csiph.com!3.us.feeder.erje.net!feeder.erje.net!news.linkpendium.com!news.linkpendium.com!news.iecc.com!.POSTED.gal.iecc.com!not-for-mail From: =?UTF-8?Q?J=c3=b6rg_Buchholz?= Newsgroups: comp.graphics.apps.gnuplot Subject: Re: can I fit two columns when I use timefmt Date: Wed, 25 Oct 2017 07:43:44 +0200 Organization: A noiseless patient Spider Lines: 17 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Date: Wed, 25 Oct 2017 05:43:43 -0000 (UTC) Injection-Info: gal.iecc.com; posting-host="gal.iecc.com:64.57.183.53"; logging-data="39116"; mail-complaints-to="abuse@iecc.com" User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.4.0 Funky-Path: eternal-september.org!reader02.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail Funky-Injection-Info: reader02.eternal-september.org; posting-host="339b05dd8b388c6db54df20088173004"; logging-data="3010"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX19zCZB3zPsxBUz7/4CbqWBhB6VS+IQUYbE=" In-Reply-To: Content-Language: en-GB Cancel-Lock: sha1:EbyT+zrdibk+yOYrzOv4UsaKIFw= Funky-Xref: news.eternal-september.org comp.graphics.apps.gnuplot:6890 Xref: csiph.com comp.graphics.apps.gnuplot:3801 On 24.10.2017 15:13, Jean-Pierre Coulon wrote: > Thanks. It works if I also say unset xrange. In this case I also have a > first column in simple integers and the 2nd column is in time format. I > was plotting with using 2:. Does Gnuplot use this 1srt > column for the fit if I say fit using ? It is really helpful if you can give some real lines of your datafile and your real plot and fit command. I found a tip that gnuplot handles timeformat data in the fit command as seconds. So you must adjust your starting variables to this. Jörg