Thanks John for your reply. the reviewer comment:
asymmetric distribution could affect Principal Component Analysis results, symmetry of distribution should be tested. Authors should also indicate if outliers were observed and consequently excluded because they could affect factors My question: what does it mean asymmetry distribution could affect PCA ? and also outliers could affect factors? sorry for this not R-help question. Best regards M Le 15/03/13 14:05, John Kane a écrit : > No idea of what sentence. R-help strips any html and only provides a text > message so all formatting has been lost. I think the question is not really > an R-help question but if you resubmit the post you need to show the sentence > in question in another way. > > John Kane > Kingston ON Canada > > >> -----Original Message----- >> From: mohamed.laj...@inserm.fr >> Sent: Fri, 15 Mar 2013 11:26:45 +0100 >> To: r-help@r-project.org >> Subject: [R] reviewer comment >> >> Could someone explain me this sentence reviewer below in blod underlined, >> >> Authors should try to be more detailed in the description of analyses: >> some of the details reported in the "Principal components analysis" >> paragraph (Results) should be moved here. >> Because a highly_/*asymmetric distribution could affect Principal >> Component Analysis results, symmetry of distribution should be >> tested. Authors should also indicate if outliers were observed and >> consequently excluded because they could affect factors*/_ >> >> Any help would be greatly appreciated! >> >> Regards >> ML >> >> -- >> #################################### >> Mohamed Lajnef,IE INSERM U955 eq 15# >> P?le de Psychiatrie # >> H?pital CHENEVIER # >> 40, rue Mesly # >> 94010 CRETEIL Cedex FRANCE # >> mohamed.laj...@inserm.fr # >> tel : 01 49 81 32 79 # >> Sec : 01 49 81 32 90 # >> fax : 01 49 81 30 99 # >> #################################### >> >> >> [[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. > ____________________________________________________________ > GET FREE SMILEYS FOR YOUR IM & EMAIL - Learn more at > http://www.inbox.com/smileys > Works with AIM®, MSN® Messenger, Yahoo!® Messenger, ICQ®, Google Talk⢠> and most webmails > > > -- #################################### Mohamed Lajnef,IE INSERM U955 eq 15# PÂle de Psychiatrie # HÂpital CHENEVIER # 40, rue Mesly # 94010 CRETEIL Cedex FRANCE # mohamed.laj...@inserm.fr # tel : 01 49 81 32 79 # Sec : 01 49 81 32 90 # fax : 01 49 81 30 99 # #################################### [[alternative HTML version deleted]]
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