Question: need help regarding microarray data analysis using limma
0
6.9 years ago by
varshika singh20 wrote:
Dear Sir/Madam I am using bioconductor package for analysis of Agilent two color data. After normalisation when i am giving command dat.m<-dat2$M, an error is shown as: Error in dat2$M : $operator is invalid for atomic vectors. Kindly help what went wrong. [[alternative HTML version deleted]] • 645 views ADD COMMENTlink modified 6.9 years ago by J.delasHeras@ed.ac.uk1.9k • written 6.9 years ago by varshika singh20 Answer: need help regarding microarray data analysis using limma 0 6.9 years ago by United Kingdom J.delasHeras@ed.ac.uk1.9k wrote: Quoting varshika singh <varshika13singh at="" gmail.com=""> on Thu, 13 Dec 2012 11:02:15 +0530: > Dear Sir/Madam > I am using bioconductor package for analysis of Agilent two color data. > After normalisation when i am giving command dat.m<-dat2$M, an error is > shown as: > Error in dat2$M :$ operator is invalid for atomic vectors. Kindly help > what went wrong. > > [[alternative HTML version deleted]] what is dat2? or, what do you get if you do: 'class(dat2)' Jose -- The University of Edinburgh is a charitable body, registered in Scotland, with registration number SC005336.
And if it's not there, you can try to follow the instructions in this vignette from the AnnotationForge package to generate an appropriate chip package: www.bioconductor.org/packages/2.11/bioc/vignettes/AnnotationForge/inst /doc/SQLForge.pdf Marc On 12/13/2012 02:38 AM, J.delasHeras at ed.ac.uk wrote: > Quoting varshika singh <varshika13singh at="" gmail.com=""> on Thu, 13 Dec 2012 > 11:02:15 +0530: > >> Dear Sir/Madam >> I am using bioconductor package for analysis of Agilent two color data. >> After normalisation when i am giving command dat.m<-dat2$M, an error is >> shown as: >> Error in dat2$M : $operator is invalid for atomic vectors. Kindly help >> what went wrong. >> >> [[alternative HTML version deleted]] > > > what is dat2? or, what do you get if you do: > > 'class(dat2)' > > Jose > ADD REPLYlink written 6.9 years ago by Marc Carlson7.2k Oops. This went to the wrong thread. Please disregard... Marc On 12/13/2012 10:33 AM, Marc Carlson wrote: > And if it's not there, you can try to follow the instructions in this > vignette from the AnnotationForge package to generate an appropriate > chip package: > > www.bioconductor.org/packages/2.11/bioc/vignettes/AnnotationForge/in st/doc/SQLForge.pdf > > > > Marc > > > > On 12/13/2012 02:38 AM, J.delasHeras at ed.ac.uk wrote: >> Quoting varshika singh <varshika13singh at="" gmail.com=""> on Thu, 13 Dec >> 2012 11:02:15 +0530: >> >>> Dear Sir/Madam >>> I am using bioconductor package for analysis of Agilent two color data. >>> After normalisation when i am giving command dat.m<-dat2$M, an >>> error is >>> shown as: >>> Error in dat2$M :$ operator is invalid for atomic vectors. Kindly help >>> what went wrong. >>> >>> [[alternative HTML version deleted]] >> >> >> what is dat2? or, what do you get if you do: >> >> 'class(dat2)' >> >> Jose >> >