calc_bins: Generate bins for continous variables
In cchoe/numerator: R Functions commonly used for Data Scientists at Numerator

This function calculates outliers for any given metric

calc_bins(
  df,
  metric,
  bin.threshold = 4,
  min.bins = 3,
  max.bins = 8,
  bin.cutoff = 0.055
)

`df`	A dataframe containing metric values
`metric`	The column name of the metric of interest
`bin.threshold`	The min number of bins that needs to be met in order to calculate bins up to max.bins
`min.bins`	The min number of bins
`max.bins`	The max number of bins
`bin.cutoff`	Combines bins together where the percent of values contained is less than the cutoff