Spearman correlation

Calculates Spearman's correlation for every numeric variable pair in a dataset.

Usage

pair_spearman(d, handle.na = TRUE, warnings = TRUE, ...)

Arguments

d

A dataframe

handle.na

If TRUE uses pairwise complete observations to calculate correlation coefficient, otherwise NAs not handled.

warnings

If TRUE, generates a warning for datasets of one row, one column, or with constant variables.

...

other arguments

Value

A tibble of class pairwise with calculated association value for every numeric variable pair, or NULL if there are not at least two numeric variables

See also

See pair_methods for other score options.

Examples

pair_spearman(iris)
#> # A tibble: 6 × 6
#>   x            y            score    group  value pair_type
#>   <chr>        <chr>        <chr>    <chr>  <dbl> <chr>    
#> 1 Petal.Length Sepal.Length spearman all    0.882 nn       
#> 2 Petal.Width  Sepal.Length spearman all    0.834 nn       
#> 3 Sepal.Length Sepal.Width  spearman all   -0.167 nn       
#> 4 Petal.Length Sepal.Width  spearman all   -0.310 nn       
#> 5 Petal.Width  Sepal.Width  spearman all   -0.289 nn       
#> 6 Petal.Length Petal.Width  spearman all    0.938 nn       
# same as
pair_cor(iris, method="spearman")
#> # A tibble: 6 × 6
#>   x            y            score    group  value pair_type
#>   <chr>        <chr>        <chr>    <chr>  <dbl> <chr>    
#> 1 Petal.Length Sepal.Length spearman all    0.882 nn       
#> 2 Petal.Width  Sepal.Length spearman all    0.834 nn       
#> 3 Sepal.Length Sepal.Width  spearman all   -0.167 nn       
#> 4 Petal.Length Sepal.Width  spearman all   -0.310 nn       
#> 5 Petal.Width  Sepal.Width  spearman all   -0.289 nn       
#> 6 Petal.Length Petal.Width  spearman all    0.938 nn