prepare_correlation_graph: Prepares a Correlation Graph
Description
Reads a data frame and presents Pearson correlations above
and Spearman correlations the diagonal using a fancy graph prepared
by the package corrplot.
Usage
prepare_correlation_graph(df)
Arguments
df
Data frame containing at least two variables that are either numeric
or logical and at least five observations.
Value
The function directly renders the graph as produced by corrplot.
In addition, it returns a list containing three items:
"df_corr"
A data frame containing the correlations
"df_prob"
A data frame containing the p-values of the correlations
"df_n"
A data frame containing the number of observations used for the correlations