What does the blue 100% at 2 (count) mean

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John Mulhall

• August 19, 2015 10:24

I have a dependency tree with one of the branches splitting at 0.5 ending with a pie chart that makes sense and one that has now breakout information. It is coloured in blue, has 100% of 2 and thats it. I presume its data that has null fields (I allowed this in my configuration), is related to the other split/pie chart by co-relation but has no data feedack to offer due to null values. Is my deduction correct? Any insights are most appreciated.

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  Jason Arrigo

  • August 19, 2015 19:12

  Hello John,
  If you have a sparse data column that is being used as the Target for a Decision Tree then the NULL value may appear as the result in your leaf nodes. The Decision Tree algorithm will normalize the data as an Empty String and will display as such in any resulting downstream analysis.

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  John Mulhall

  • August 22, 2015 18:12

  Thanks Jason, that makes perfect sense...

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