dplyr in R
dplyr: How to Change Factor Levels Using mutate()
You can use the following basic syntax in dplyr to change the levels of a factor variable by using the mutate() function:
library(dplyr)
df % mutate(team=recode(team,
...
dplyr in R
How to Group By and Filter Data Using dplyr
You can use the following basic syntax to group by and filter data using the dplyr package in R:
df %>%
group_by(team) %>%
...
dplyr in R
dplyr: How to Mutate Variable if Column Contains String
You can use the following basic syntax in dplyr to mutate a variable if a column contains a particular string:
library(dplyr)
df %>% mutate_at(vars(contains('starter')), ~ (scale(.)...
dplyr in R
How to Calculate Standard Deviation Using dplyr (With Examples)
You can use the following methods to calculate the standard deviation of values in a data frame in dplyr:
Method 1: Calculate Standard Deviation of...
dplyr in R
How to Use ungroup() in dplyr (With Examples)
You can use the ungroup() function in dplyr to ungroup rows after using the group_by() function to summarize a variable by group.
The following example...
dplyr in R
How to Select Rows of Data Frame by Name Using dplyr
You can use the following syntax to select rows of a data frame by name using dplyr:
library(dplyr)
#select rows by name
df %>%
filter(row.names(df) %in%...
dplyr in R
How to Arrange Rows by Group Using dplyr (With Examples)
You can use the following methods to arrange rows by group in dplyr:
Method 1: Arrange Rows in Ascending Order by Group
library(dplyr)
#arrange rows in ascending...
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