Sorry if the email became messed up. I have written the full thing on pastebin. pastebin.com/AXvGstaR
Thanks for the suggestion. I will play test with aggregate! *--Bitmessage <http://bitmessage.org/> me* *BM-2D97QV3Y4VRfjayrWahqE61XKuQw6dJvj6* On 13 February 2014 06:51, PIKAL Petr <petr.pi...@precheza.cz> wrote: > Hi > > Posting in HTML results in scrambled mail. > > Maybe you want > > ?aggregate > > Regards > Petr > > > -----Original Message----- > > From: r-help-boun...@r-project.org [mailto:r-help-bounces@r- > > project.org] On Behalf Of Rewarp > > Sent: Thursday, February 13, 2014 12:55 AM > > To: r-help@r-project.org > > Subject: [R] Help on best way to calculate and plot overall mean from > > dataset with two treatment groups > > > > I am working on a dataset which has multiple species over several > > plots, categorised into two treatment groups. > > > > For example > > > > group_xy group_op plot species value > > x o 1 A 3 > > x o 1 A 5 > > x o 1 B 4 > > x o 2 A 3 > > x o 2 A 6 > > x o 2 A 3 > > y o 1 A 3 > > y o 1 A 5 > > y o 1 B 4 > > y o 2 A 3 > > y o 2 A 6 > > y o 2 A 3 > > x p 1 A 3 > > x p 1 A 5 > > x p 1 B 4 > > x p 2 A 3 > > x p 2 A 6 > > x p 2 A 3 > > y p 1 A 3 > > y p 1 A 5 > > y p 1 B 4 > > y p 2 A 3 > > y p 2 A 6 > > y p 2 A 3 > > > > What I would like to do is to take the mean of the species within each > > plot in each treatment group, then generate the mean for the species > > based upon the average of the values between plots. > > > > Thus the intermediate output would be > > > > group_xy group_op plot species mean_value standard_deviation x o 1 A 3 > > sd x o 1 B 4 sd x o 2 A 4 sd y o 1 A 3 sd y o 1 B 4 sd y o 2 A 4 sd x p > > 1 A 3 sd x p 1 B 4 sd x p 2 A 4 sd y p 1 A 3 sd y p 1 B 4 sd y p 2 A 4 > > sd > > > > Then eventually > > group_xy group_op species total_mean_value standard_deviation x o A 3.5 > > sd x o B 4 sd y o A 3.5 sd y o B 4 sd x p A 3.5 sd x p B 4 sd y p A 3.5 > > sd y p B 4 sd > > > > I am looking for an elegant code which would allow me to do this and > > generate plots. for all species for all treatment groups. > > > > Any help would be appreciated! > > > > [[alternative HTML version deleted]] > > > > ______________________________________________ > > R-help@r-project.org mailing list > > https://stat.ethz.ch/mailman/listinfo/r-help > > PLEASE do read the posting guide http://www.R-project.org/posting- > > guide.html > > and provide commented, minimal, self-contained, reproducible code. > > ________________________________ > Tento e-mail a jakékoliv k nìmu pøipojené dokumenty jsou dùvìrné a jsou > urèeny pouze jeho adresátùm. > Jestli¾e jste obdr¾el(a) tento e-mail omylem, informujte laskavì > neprodlenì jeho odesílatele. Obsah tohoto emailu i s pøílohami a jeho kopie > vyma¾te ze svého systému. > Nejste-li zamý¹leným adresátem tohoto emailu, nejste oprávnìni tento email > jakkoliv u¾ívat, roz¹iøovat, kopírovat èi zveøejòovat. > Odesílatel e-mailu neodpovídá za eventuální ¹kodu zpùsobenou modifikacemi > èi zpo¾dìním pøenosu e-mailu. > > V pøípadì, ¾e je tento e-mail souèástí obchodního jednání: > - vyhrazuje si odesílatel právo ukonèit kdykoliv jednání o uzavøení > smlouvy, a to z jakéhokoliv dùvodu i bez uvedení dùvodu. > - a obsahuje-li nabídku, je adresát oprávnìn nabídku bezodkladnì pøijmout; > Odesílatel tohoto e-mailu (nabídky) vyluèuje pøijetí nabídky ze strany > pøíjemce s dodatkem èi odchylkou. > - trvá odesílatel na tom, ¾e pøíslu¹ná smlouva je uzavøena teprve > výslovným dosa¾ením shody na v¹ech jejích nále¾itostech. > - odesílatel tohoto emailu informuje, ¾e není oprávnìn uzavírat za > spoleènost ¾ádné smlouvy s výjimkou pøípadù, kdy k tomu byl písemnì zmocnìn > nebo písemnì povìøen a takové povìøení nebo plná moc byly adresátovi tohoto > emailu pøípadnì osobì, kterou adresát zastupuje, pøedlo¾eny nebo jejich > existence je adresátovi èi osobì jím zastoupené známá. > > This e-mail and any documents attached to it may be confidential and are > intended only for its intended recipients. > If you received this e-mail by mistake, please immediately inform its > sender. Delete the contents of this e-mail with all attachments and its > copies from your system. > If you are not the intended recipient of this e-mail, you are not > authorized to use, disseminate, copy or disclose this e-mail in any manner. > The sender of this e-mail shall not be liable for any possible damage > caused by modifications of the e-mail or by delay with transfer of the > email. > > In case that this e-mail forms part of business dealings: > - the sender reserves the right to end negotiations about entering into a > contract in any time, for any reason, and without stating any reasoning. > - if the e-mail contains an offer, the recipient is entitled to > immediately accept such offer; The sender of this e-mail (offer) excludes > any acceptance of the offer on the part of the recipient containing any > amendment or variation. > - the sender insists on that the respective contract is concluded only > upon an express mutual agreement on all its aspects. > - the sender of this e-mail informs that he/she is not authorized to enter > into any contracts on behalf of the company except for cases in which > he/she is expressly authorized to do so in writing, and such authorization > or power of attorney is submitted to the recipient or the person > represented by the recipient, or the existence of such authorization is > known to the recipient of the person represented by the recipient. > [[alternative HTML version deleted]]
______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.