Is it possible to change values to data before vsn applied?
0 answers
No answers yet.
Log in to answer this question.
More posts like this
-
Input data for LIMMA: unnormalised or vsn or other?
written by Sebastian Hesse 35For proteome differential expression analysis I am using LIMMA. The MassSpec data were quantified by MaxQuant and given to me as a table. For graphical …
-
How do I determine p-value and fold change for TMM normalized data?
written by Gof 0Hi, I have a TMM normalized data for cancer vs no cancer treatment. This data, however, does not contain p-value or fold change. I want …
-
I want to use global test.
written by dxodnd 0Hello, I want to get the p-value of each probe through a global test with the data in https://github.com/Foreist/dummy-data . The data source for the …
-
How to do filtering of expression values for miRNA data analysis
written by nkabo 8Hi everyone, I am working on miRNA analysis. Since I have been added to the study lately, I do not have the raw data. The …
-
Clustering of log-fold change with zeros
written by boczniak767 89Hi all, I have made a table of log2 fold change ratios from several microarray studies. For genes without statistically significant change I typed `0` …
-
Gene filtering in microarray data normalized with the SCAN method
written by Ld_60 8Hi everyone, I am working with affymetrix microarray data, and I am willing to apply the SCAN (Single-Channel Array Normalization) method to normalize the data, …
-
Is there a way to convert directly from Solyc ID to Affymetrix Probe ID?
written by kkam214 0I was given 30 gene names that started with "Solyc", and said to look for these genes from the dataset of the expression levels that …
-
Meta-analysis: How to join data from different platforms
written by ali.hassan.nehme 1Hello, I downloaded microarray raw data obtained using different platforms (affymetrix HG_U133PLUS2, HG_U133A and HG_U133B). Is there a way to join the data from different …
-
How to interpret a heatmap
written by Bioinformatist Newbie 27<p>Hi..</p> <p>I have differential gene expression profiles after 164 drug applied (some replicates are there i.e same drug applied twice or thrice). The dimension of …
-
What Change In Samfile
written by Sara 17<p>Hi everyone, </p> <p>I have a Sam files and I applied different other analysis but i don't know which column add or change when we …