Outliers

  • Outliers: refers to objects with characteristic different from most of the other objects

Can detect by

Visualization

Modified Box Plot

Modified box plot

  • is a variation of the box plot
  • can be used to find outliers
  • boxplot-modified.png

Scatter Plot

Also if we just draw the values, it'll be possible to see the outliers

  • outliers-regression.png


Models and Outliers

Some Statistical, ML and DM models are sensible to outliers


Sources

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