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Showing :
affymetrixchip
•
reset
2
votes
4
replies
121
views
Robust Multi-array Average could get negative value or not?
pd.hg.u219
oligo
AffymetrixChip
7 days ago
Yang Shi
• 0
4
votes
10
replies
235
views
Methods for removing unexpressed probes of Affymetrix Human Genome U219 Array
pd.hg.u219
Microarray
oligo
AffymetrixChip
9 days ago • updated 7 days ago
Yang Shi
• 0
0
votes
2
replies
112
views
How to extract probe level intensity after rma() normalization
MicroarrayData
AffymetrixChip
updated 25 days ago by
James W. MacDonald
60k • written 26 days ago by
Haoran
• 0
0
votes
4
replies
187
views
getProbeInfo and exprs return two different dimensions
CELfile
MicroarrayData
AffymetrixChip
9 weeks ago • updated 8 weeks ago
Haoran
• 0
2
votes
2
replies
336
views
Subscript out of bounds while normalising using affy::rma()
Normalization
affy
AffymetrixChip
12 months ago
geoffrey
▴ 10
0
votes
1
reply
302
views
Microarray: Build annotation for HT MG430PM affymetrix
AffymetrixChip
Microarray
affymetrix
updated 13 months ago by
Guido Hooiveld
★ 3.2k • written 13 months ago by
Pierre-Alex
• 0
3
votes
2
replies
1.1k
views
Trouble getting probe ID info from mouse4302.db annotation package with a specific RefSeq ID.
annotationdbi
mouse4302
affymetrixchip
annotationdata
R
updated 6.5 years ago by
James W. MacDonald
60k • written 6.5 years ago by
koreebay
• 0
0
votes
4
replies
1.8k
views
HUgene 2.0 analyses heatmap
hugene20
heatmap
affymetrixchip
updated 7.0 years ago by
alakatos
▴ 120 • written 7.0 years ago by
kanacska
▴ 10
2
votes
5
replies
2.2k
views
miRNA expression analysis : annotation
miRNA
annotation
affymetrixchip
7.1 years ago
aswathym
▴ 10
0
votes
0
replies
913
views
Correst use of GeneOverlap R Package
GeneOverlap
DEGgenes
affymetrixchip
bioconductor
7.1 years ago
svlachavas
▴ 780
1
vote
3
replies
1.0k
views
BioNet package network analysis important questions for tutorial
BioNet
bioconductor
affymetrixchip
network analysis
7.2 years ago
svlachavas
▴ 780
5
votes
9
replies
2.2k
views
Merge different datasets regarding a common number of DE genes in R
bioconductor
expresiondataset
affymetrixchip
differential gene expression
7.2 years ago
svlachavas
▴ 780
1
vote
4
replies
2.8k
views
GeneChip Human Transcriptome Array 2.0 analysis in R for identifying possible differential exon splicing events
affymetrixchip
GenechipHumanTranscriptomeArray2.0
exon array analysis
7.2 years ago
svlachavas
▴ 780
3
votes
11
replies
2.7k
views
Filtering on present/absent calls methodology and perfect match only arrays
bioconductor
mas5
perfectmatch
affymetrixchip
filter
updated 7.3 years ago by
James W. MacDonald
60k • written 7.3 years ago by
svlachavas
▴ 780
0
votes
0
replies
1.5k
views
MAplot: Binning grid too coarse for current (small) bandwidth
affy
affymetrix
affymetrics
affymetrixchip
7.4 years ago
neverstop
• 0
0
votes
1
reply
1.5k
views
Having trouble with new brainarray CDF
Microarray
Annotation
AnnotationData
AffymetrixChip
hgu133a2
cdf
probe
graph
AnnotationDbi
updated 11.1 years ago by
Marc Carlson
★ 7.2k • written 11.1 years ago by
Martha Behnke
▴ 100
16 results • Page
1 of 1
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Replies
Answer: [sva] Error in density.default(x, adjust = adj) : 'x' contains missing values
by
wahaha
• 0
I found the reason, because some gene expression levels are 0 in all samples. you can add these code to check the data: >exp_mean <- appl…
Answer: DESeq2 how to specify contrast to test difference of differences
by
Nicole
• 0
The comment from @mikelove about specifying numeric contrasts answered my question. This code is not standalone, but I will leave it here i…
Comment: DESeq2 how to specify contrast to test difference of differences
by
Nicole
• 0
Thank you, @mikelove - that did it! The results make sense now. From my original post, could you clarify what the `group1w.sexfemale` contr…
Comment: Rsamtools is not available for (for R version 4.0.2)
by
olinares-perdomo
• 0
I had the same problem (R 4.2.0) I used BiocManager::install("Rsamtools", force = TRUE) And it is working fine
Comment: Confused about the design matrix in edgeR: How to tell R to consider one level a
by
Gordon Smyth
45k
When I answered your original question, I assumed you would use the simplest possible code ``` Status <- factor(Sample_info$Status) ``` w…
Votes
Answer: DESeq2 how to specify contrast to test difference of differences
Comment: DESeq2 how to specify contrast to test difference of differences
Answer: Confused about the design matrix in edgeR: How to tell R to consider one level a
Answer: biomaRt error unable to fix: need help troubleshooting
Answer: edgeR : results from goana and kegga functions show opposite sig. p-value
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