This function creates a correlation (cormat) on a data frame of the variables in an equation.
Arguments
- df
data frame to read in.
- formula
the variables in the regression model, \(Y = X_1 + X_2 + ... + X_m\), written as Y ~ X1 + X2...
Value
This function returns a correlation matrix for the variables provided in the formula.
Examples
data <- mtcars
cormat(data, mpg ~ wt + am)
#> mpg wt am
#> mpg 1
#> wt -0.87 1
#> am 0.6 -0.69 1
