Create correlation matrix for columns in dataframe

The function takes in a dataframe/tibble and a vector of column names and creates a correlation matrix. The correlation matrix can only include numeric columns

fast_corr(df, selected_columns)

Arguments

df	The data that will be plotted
selected_columns	The vector of column names to be included in correlation matrix

Value

plot object

Examples

fast_corr(iris, c('Sepal.Length','Sepal.Width', 'Petal.Length','Petal.Width', 'Species'))
#> [1] "Removed 1 non-numberical columns from your selected columns"
fast_corr(iris, c(1,2,3,4,5))
#> [1] "Removed 1 non-numberical columns from your selected columns"