Entering edit mode
Jing Huang
▴
380
@jing-huang-4737
Last seen 10.3 years ago
Hi Expert!
I am trying to get rid of the features that contain more than half of
samples with NA data. Could you help me?
Here is the example.
> head(exprs(eset.vsn))
GSM48598 GSM48617 GSM48600 GSM48601 GSM48602 GSM48604
GSM48607 GSM48608 GSM48614 GSM48616 GSM48599 GSM48603 GSM48605
GSM48606 GSM48609 GSM48615
1000_at 11.324097 10.881484 11.004342 10.649591 11.196320 11.405016
11.159627 11.144816 11.280698 11.008774 11.158076 10.083978 11.024338
10.641091 10.508528 10.836564
1001_at 6.503407 6.940207 7.776485 6.744207 8.393132 7.994422
7.417291 8.383466 8.278285 8.476460 7.702632 7.811951 6.955951
8.490921 6.632979 7.751188
1002_f_at 6.682602 6.320622 NA 7.503875 5.969647 NA
5.394164 6.293754 7.140539 5.791176 5.493847 8.379308 8.163210
6.900236 6.384235 6.620342
1003_s_at 8.113777 7.298421 NA NA NA NA
NA NA NA NA NA 8.243218 NA
NA NA NA
1004_at 7.133844 7.052989 6.986067 NA NA NA
NA NA 6.712877 7.176983 NA NA 7.252336
NA NA NA
1005_at 8.600065 13.149781 8.636922 8.862644 11.790418 6.276165
10.805382 6.908298 12.894008 10.353165 8.762901 8.135442 NA
9.235085 NA 10.925639
>
Many many thanks
Jing
OHSU
[[alternative HTML version deleted]]