/R/R tibble select rows containing string

R tibble select rows containing string

dplyr::filter(df, !grepl("RTB",TrackingPixel))

Source: stackoverflow.com

Using like filter dplyr

library(rbenchmark)
library(tidyverse)

# The data. Data expo 09. ASA Statistics Computing and Graphics 
# http://stat-computing.org/dataexpo/2009/the-data.html
df <- read_csv("Downloads/2008.csv")
print(dim(df))
# [1] 7009728      29

benchmark(
  "str_detect" = {df %>% filter(str_detect(Dest, 'MCO|BWI'))},
  "grepl" = {df %>% filter(grepl('MCO|BWI', Dest))},
  replications = 10,
  columns = c("test", "replications", "elapsed", "relative", "user.self", "sys.self"))
# test replications elapsed relative user.self sys.self
# 2      grepl           10  16.480    1.513    16.195    0.248
# 1 str_detect           10  10.891    1.000     9.594    1.281

Source: stackoverflow.com

Similar codes

1 vote341 views1 answer
Size of ticks labels in r ggplot
R
0 vote331 views1 answer
BioFabric r
R
3 votes360 views6 answers
R rename columns
R
0 vote335 views1 answer
How to convert matrix to numeric in r
R
2 votes354 views1 answer
Mod in r
R
0 vote348 views1 answer
Remove all empty strings from R
R
0 vote335 views1 answer
How to build random forest in r
R
0 vote327 views1 answer
Geom_abline vertical line
R
0 vote346 views3 answers
Turn row names into column in r
R
1 vote376 views1 answer
To numeric in r
R