View source: R/get_correlation.R
get_correlation | R Documentation |
Determine the Pearson correlation coefficient between two variables in a data frame using pipeable and formula-friendly syntax
get_correlation(data, formula, na.rm = FALSE, ...)
data |
a data frame object |
formula |
a formula with the response variable name on the left and the explanatory variable name on the right |
na.rm |
a logical value indicating whether NA values should be stripped before the computation proceeds. |
... |
further arguments passed to |
A 1x1 data frame storing the correlation value
library(moderndive) # Compute correlation between mpg and cyl: mtcars %>% get_correlation(formula = mpg ~ cyl) # Group by one variable: library(dplyr) mtcars %>% group_by(am) %>% get_correlation(formula = mpg ~ cyl) # Group by two variables: mtcars %>% group_by(am, gear) %>% get_correlation(formula = mpg ~ cyl)
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