How to use stringr package In R Language

Q: How to use stringr package In R Language

The tidyr package in R is used to mutate and visualize the data. It is used to tidy up the data. The package can be downloaded and installed into the working space using the following command:

Method 2: Using tidyr package

The stringr package in R is used to carry out string manipulations. It helps us perform modifications related to string. The package can be download and installed into the working space using the following command :

install.packages("stringr")

The str_split_fixed method in stringr package is used to split up a string into a fixed number of pieces. The method transforms strings into the specified number of substrings. The specified pattern should be of unit length.

Syntax:

str_split_fixed(str, pattern , n

Parameter :

str: The string vector to be split.
pattern: Pattern to split up the string by.
n: The number of pieces to split the string into.

Example: Split dataframe variable into multiple columns

R

library("stringr")
 
# creating a dataframe 
data_frame <- data.frame(
                         col1 = c("val_1","val_2","val_3","val_4")
                         )
print("Original DataFrame")
print(data_frame)
 
# splitting values in column
print("Modified DataFrame")
str_split_fixed(data_frame$col1, "_", 2)

Output:

[1] "Original DataFrame"
  col1
1 val_1
2 val_2
3 val_3
4 val_4
[1] "Modified DataFrame"
    [,1]  [,2]
[1,] "val" "1"
[2,] "val" "2"
[3,] "val" "3"
[4,] "val" "4"