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Questions - grepl

deselect matrix columns using subsed and !grepl functions

I have a single cell RNA sequencing matrix 'dta' with some cells named with KK00 (KK00.xx). I would like to deselect all these cells. So I wrote dta.s <-subset(dta, !grepl('KK00',colnames(dta))) It...
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H C

grepl

deselect

Votes: 0

Answers: 1

Latest Answer

I've solved the problem. I changed this dta.s <-subset(dta, !grepl('KK00',colnames(dta))) to this dta <- dta[,!grepl('KK00.', colnames(dta))] Now, it works.
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H C

ifelse grepl() more than 50 rows at once?

I am trying to tidy some data. I have random strings that I am trying to classify as numbers. table <- "x count 1 k 2 2k 3 k1e 4 k2e 5 2k1e 6 k2 7 ke 8 k3e 9 1ek 10 ek 11 x...
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cgxytf

r

if-statement

nested

grepl

tidy

Votes: 0

Answers: 1

Latest Answer

Build a vector with your strings (refer) and then test them with your data refer <- setNames(c(1:10), c("k","2k","k1e","k2e","2k1e","k2",...
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Andre Wildberg

Create a column based on multiple patterns

I have a column with 692 degree titles that I need to categorize as: certificate, associate, bachelor, master or higher. There is a lot of inconsistency in a degree titles. For example, a BS degree mi...
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Shannon

r

tidyverse

stringr

grepl

Votes: 0

Answers: 1

Latest Answer

Maybe something like this? library(tidyverse) df <- tibble::tribble( ~What.I.have, ~What.I.need, "Bachelor of Science", "Bachelor", ...
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jpdugo17

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