just notes

Tag: stats

  • Imputation and when Listwise deletion might make sense

    {update 2022: I’m not sure I’m explaining this concept accurately. Beware…} Imputation is the practice of filling in data when it’s missing from a set.  One must take care in how they use this.  For instance, you might use linear regression to predict a small amount of data missing. Consider sales data for our grocery chain.…