User: pankajnarula84

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India
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Posts by pankajnarula84

<prev • 6 results • page 1 of 1 • next >
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Error in Package GEOquery
... Iam using 3.2.0 version of R on 64-bit system with Windows 7 OS. I am facing a problem while using the package GEOquery for bioinformatics library(Biobase) library(GEOquery) library(limma) library(RCurl) library(XML) getGEO("GSE1739", GSEMatrix = TRUE) # to get the data ​I got the error, proxy ...
microarray geoquery error R written 2.5 years ago by pankajnarula8420 • updated 2.5 years ago by James W. MacDonald45k
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How to Normalize the Microarray Data Obtained from ncbi?
... I have micro array data in GSE format from http://www.ncbi.nlm.nih.gov/geo/geo2r/?acc=GSE1739. My simple question is how to normalize this data ? All I could see was gene symbols and IDs. I could not find numbers to normalize (As my background is Mathematics, very poor knowledge about gene data). I ...
microarray normalization ncbi written 2.5 years ago by pankajnarula8420 • updated 2.5 years ago by James W. MacDonald45k
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Comment: C: How to Find Common Dysregulated Genes in Two or More Sets of Microarray Data?
... Thanks Chris Seidel, So effectively it means find dysregulated genes in list 1 and dysregulated genes in list 2. Then apply GeneOverlap on dysregulated genes 1 and dysregulated genes 2 ( By using function newGeneOverlap in GeneOverlap package).? Sorry for my late reply and poor understanding in bioi ...
written 2.6 years ago by pankajnarula8420
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Comment: C: How to Find Common Dysregulated Genes in Two or More Sets of Microarray Data?
... Dear B.Nota, Thanks for your reply. Actually representation is not my problem. I want to know that what is the statistical approach to calculate the common dysregulated genes.? As two sets contain different number of control and infected samples. So which criteria is to be imposed to get number comm ...
written 2.6 years ago by pankajnarula8420
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How to Find Common Dysregulated Genes in Two or More Sets of Microarray Data?
... I have two (or more) micro array data of genes of SARS (http://www.ncbi.nlm.nih.gov/geo/geo2r/?acc=GSE1739) and Parkinson disease (http://www.ncbi.nlm.nih.gov/geo/geo2r/?acc=GSE7621). I found the dysregulated genes in these sets by applying criteria log fold change is greater than 1.5 and p-vlaue &l ...
microarray genetics disease micro array data written 2.6 years ago by pankajnarula8420 • updated 2.6 years ago by Gordon Smyth32k
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How to Find OMIM id's Corresponding to a List of Gene Symbols in R?
... I have list of dysregulated genes in a disease. I want to find OMIM ID of disease associated with this gene. Some thing like as below. Disorder name Gene symbols OMIM ID Cytogenetic location Disease Class Bleeding disorder, pl ...
microarray omim gene disorder written 2.7 years ago by pankajnarula8420 • updated 2.7 years ago by Kamil Slowikowski20

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Popular Question 2.5 years ago, created a question with more than 1,000 views. For How to Find OMIM id's Corresponding to a List of Gene Symbols in R?

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