／var／logmarcus chiu

Data Preparation - Detecting Outliers

Created on · Last Modified on

based on: http://r-statistics.co/Outlier-Treatment-With-R.html

Methods in Detecting Outliers

univariate approach

bivariate approach

  • TODO

multivariate approach

  • TODO

Treating Outliers

  • capping - for values that lie outside the 1.5 * IQR limits, we could cap it by replacing those observations outside the lower limit with the value of 5th %ile and those that lie above the upper limit, with the value of 95th %ile
  • remove that value and use the following methods discussed in Handling Missing Values