check_data_reliability: Check inter-rater or test-retest reliability between numeric columns
Description
This function checks for inter-rater or test-retest reliability between all
pairs of numeric columns in a data frame by computing the correlation between
each pair and reporting if it is less than 0.8.
Usage
check_data_reliability(df)
Value
A message indicating whether the data is reliable or not between each
pair of columns.