Generating barplot of fpkm value

Question

[sidrah.maryam]

Hello, I want to generate a barplot of fpkm value count, for specific genes, to have finally the graph showing, which cells have high expression of specific gene. All I have is fpkm count file from NCBI, in txt format. Can anyone please suggest how to proceed, I am totally noob in this, so could not understand what to use for plotting.

( Preferably in python, but can be do in R too. )

I will be highly grateful for your help. Thank you in advance

[rpolicastro]

Can you include some example data in your post for what the contents of the text file look like?

[sidrah.maryam]

It is like, I have genes as rows and cells as columns, and the expression matrix. It is basically the output of cufflink.

Actuallly whole question is: There are two categories of cells, and their expression matrix. I have to compare the aggregate fpkm values of specific genes in both types of cell, by plotting bar graph. (where each cell type has numerous cells)

[Ram]

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