NAs for b-statistic and p-val from conumee::CNV.write(what = "segments")

I am using the bioconductor package conumee for copy number variation in R. I've been able to apply the functions to my own data, but I don't understand the output of CNV.write(., what = "segments") completely. Specifically, I see NAs in the b-statistic column and p-value column. What does this indicate? Should these results be disregarded?

The output of CNV.write(x, what = "segments") (as in vignette, but on new data) gives:

             ID     chrom loc.start   loc.end      num.mark     bstat         pval seg.mean seg.median
205549610159_R02C01 chr12    172870 133795948     1328        NA           NA   -0.024     -0.025
205549610159_R02C01 chr13  19450000 115079939      708        NA          NA   -0.018     -0.015
205549610159_R02C01 chr14  20175000 107269770      874        NA          NA    0.008      0.009
205549610159_R02C01 chr15  20500000  22548097        7  7.952065 3.137163e-13    0.323      0.297
205549610159_R02C01 chr15  22723097 102435696      912        NA          NA   -0.026     -0.022`

conumee cnv r

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written 3.1 years ago by new_to_omics_in_zuri •

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