Question

Replace special characters with another in row names

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ph.shimaasherif • 0

@phshimaasherif-22566

Last seen 4.9 years ago

Hi good evening, I want to replace special characters in row names (.30.) by (-30-)

for example: tag.30.gvs

by tag-30-gvs

for large data frame have more that 300 rownames all needs replacement . Any advice? Thank you

rownames replace characters • 1.2k views

ADD COMMENT • link updated 4.8 years ago by Gordon Smyth 51k • written 4.8 years ago by ph.shimaasherif • 0

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Good evening, can you provide some background context as to why you are doing this, and also to which Bioconductor package this relates? Thanks.

ADD REPLY • link 4.8 years ago Kevin Blighe ★ 4.0k

score 2 · Answer 1 · 2020-02-02

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Gordon Smyth 51k

@gordon-smyth

Last seen 2 hours ago

WEHI, Melbourne, Australia

You can't because data.frame row names are required to be valid object names in R and "-" is not allowed. See make.names. If you want to use arbitrary characters such as spaces or dashes then create a column to store the values instead of using row.names.
This is a plain R question and nothing to do with Bioconductor.

ADD COMMENT • link 4.8 years ago Gordon Smyth 51k