Outliers are data points far outside the bulk of the data — could be errors, or could be the most interesting points.
A common rule: any value beyond Q1 − 1.5·IQR or Q3 + 1.5·IQR is flagged as an outlier.
Outliers are data points far outside the bulk of the data — could be errors, or could be the most interesting points.
A common rule: any value beyond Q1 − 1.5·IQR or Q3 + 1.5·IQR is flagged as an outlier.