[BioC] DEXSeq package

[Liu,Bin]

Hi, I was using DEXSeq package for exon differential analysis. I got the following error message. Could anyone help? thanks a lot.

Bin
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> esc_data <-  estimateDispersions(esc_data)
Dispersion estimation. (Progress report: one dot per 100 genes)
.............................................................Error in glm.fit(x = numeric(0), y = numeric(0), weights = NULL, start = c(0.1,  : 
  object 'fit' not found
In addition: Warning messages:
1: In glm.fit(x = numeric(0), y = numeric(0), weights = NULL, start = c(0.1,  :
  no observations informative at iteration 1
2: glm.fit: algorithm did not converge