Questions tagged [correlation]

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Identifying mutually **exclusive** gene sets

I am interested in identifying gene pairs (or better: sets of genes) whose expression is mutually exclusive. Ideally, both genes (or gene sets) would be widely expressed but I am also interested in ...
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30 views

Algorithmic Information Measurement of Human Genome Databases?

What is the highest data compression ratio achieved on a population of genomes measured to include the compressing algorithm itself? The size of the compressed database approximates its algorithmic ...
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2answers
40 views

How to exclude the repetition of gene-gene correlation calculation in python?

I am trying to make a paired matrix of gene-gene correlation. Considering that I have a huge matrix (13000 genes and 900 samples) and for some reasons I don't want to decrease the number of my genes, ...
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40 views

correlation between transposon and gene

I have two matrix identical in N° of rows and columns. In the first matrix rows indicate transposable elements and columns indicate samples. the matrix show the degree of expression of each element ...
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1answer
27 views

Metagenomic shotgun data with internal control

For 24 human stool samples I have metagenomic shotgun reads from an Illumina platform. The reads were filtered and mapped against a bacterial species library and specific maps to species were kept and ...
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1answer
101 views

Correlate DEGs from DESeq2, EdgeR and Limma results

I have a lists of DEGs identified by DESeq2, EdgeR and Limma. I would like to correlate the the gene rankings in the lists to decide on a package to use in downstream analysis. I am havig a few ...
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1answer
192 views

Which values from Seurat::FetchData function are to be used for correlation analysis between genes?

I want to perform a correlation test between genes in on my single cell RNA seq data set. I perfomed the differential expression analysis using the Seurat version 2 package, after performing stages of ...
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1answer
142 views

Error in formation of correlation matrix-(corrupt matrix — dims not not match length)

I am working on a script to create a correlation matrix and mutual_rank matrix from RNAseq gene counts for 57992 genes in 7027 samples. I have already tested this script for a smaller file (for 10,000 ...
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1answer
132 views

Removing genes with less than a correlation cut-off between two matrices

I have two matrices like this: ...
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1answer
396 views

Extracting genes from corrplot and adding labels based on high and low corelation

I am doing a gene-gene pairwise correlation, I get a plot and I do see positive and negative correlation My code: ...
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2answers
165 views

Multiple correlation with R

I have a data frame presenting different variables in column and for different species name in rows as follow. In the column a have only one independent variables(Proteome size) and all the others are ...
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1answer
63 views

Why are my Chi-squared test results different from those in a published table?

I recently read the paper “A novel long non-coding RNA linc-ZNF469-3 promotes lung metastasis through miR-574-5p-ZEB1 axis in triple negative breast cancer”. In this I see Table1 showing correlation ...
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1answer
276 views

Spearman correlation between two genes

I have FPKM data for three genes like below: ...
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44 views

Non-redundant set of indices for AAindex?

AAindex has 566 indices with real values for each of the 20 amino acids mostly from wetlab measurements. Many of these values are highly correlated, and thus do not make good features for ...