/R/Count certain number of alphabets in a string r

Count certain number of alphabets in a string r

# Load your example data
q.data<-data.frame(number=1:3, string=c("greatgreat", "magic", "not"), stringsAsFactors = F)
library(stringr)

# Count the number of 'a's in each element of string
q.data$number.of.a <- str_count(q.data$string, "a")
q.data
#  number     string number.of.a
#1      1 greatgreat           2
#2      2      magic           1
#3      3        not           0

Similar codes

1 vote231 views1 answer
For in r
R
2 votes256 views1 answer
Vars() in R
R
0 vote259 views1 answer
R make column of rownames
R
0 vote232 views1 answer
Repeat sample in r
R
0 vote241 views3 answers
R alluvial chart with NA
R
0 vote243 views1 answer
R last day of previous month
R
0 vote235 views1 answer
R ggplot hide one legend group from multiple legends
R
0 vote187 views0 answer
R
0 vote251 views2 answers
Remove column from matrix r
R
0 vote227 views1 answer
How to get the number of individual numbers in a vector in r
R