I want to correlate gene expression values of a same gene across different genotypes to check wheather the gene is closely correlate or least correlate or negatively correlate with the genotypes? Is there any online tool available or can I do this in excel?
I would suggest you look at these papers:
https://www.ncbi.nlm.nih.gov/m/pubmed/28535199/?i=7&from=hatem%20zayed%20genotype%20phenotype
https://www.ncbi.nlm.nih.gov/m/pubmed/28389991/?i=8&from=hatem%20zayed%20genotype%20phenotype
Rupam Bhunia There can be several possibilities to analyse correlation, if you know what to do and what to expect. Its not like any universal analysis which can be taken from some paper or anyone's suggestion here which you can use and get the results.
For every kind of gene and its interaction, knowledge about the gene and its effect is most important and so does the organism.
So in conclusion, you need to discuss this thing with your supervisor and some statistician who can design the statistical analysis framework based on which you can use excel, R or any other software of your choice.
R K Lal
As you can see in the question, he did not asked help to analyse the data. He is asking how to learn and do the analysis. Thus your answer is naive and out of context here. By the way, can you let us know how would you do the analysis?
This is an interesting article to multivariant analyze such correlation.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4905550/
Respected Rupam Bhunia Sir, I find some article and solution for your question, Please find comment as well attachment.
Rp=Hx Hy Ra +Ex Ey Re
h = square root of the heritability, e = square root of the proportion of phenotypic variance, r = correlation between two traits X and Y, with subscripts P, A and E representing the phenotypic, additive genetic and correlations, respectively.
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