Replace Particular Value in Data Frame in R (2 Examples) | Change Certain Values in Variable/Column

Published: 27 March 2020
on channel: Statistics Globe

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How to modify specific values in a data frame in the R programming language. More details: https://statisticsglobe.com/replace-p...
R code of this video:

data ＜- data.frame(x1 = 1:5,
x2 = LETTERS[1:5],
x3 = c("A", "C", "A", "A", "B"),
x4 = factor(c("f1", "f2", "f3", "f2", "f1")),
stringsAsFactors = FALSE)

data1 ＜- data # Replicate data
data1[data1 == "A"] ＜- "XXX"

data2 ＜- data # Replicate data
data2[data2 == "f2"] ＜- "YYY"

data2 ＜- data # Replicate data
data2$x4 ＜- as.character(data2$x4)
data2[data2 == "f2"] ＜- "YYY"
data2$x4 ＜- as.factor(data2$x4)

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