Publications by Jerry Tuttle

Outliers and Domain Knowledge

by Jerry Tuttle       I would like to share some thoughts about outliers and domain knowledge.       One of the common steps during the data exploration stage is the search for outliers. Some analysis methods such as regression are very sensitive to outliers. As an example of sensitivity, in the following data (10,10) is ...

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ROC for Decision Trees – where did the data come from?

ROC for Decision Trees – where did the data come from? By Jerry Tuttle       In doing decision tree classification problems, I have often graphed the ROC (Receiver Operating Characteristic) curve. The True Positive Rate (TPR) is on the y-axis, and the False Positive Rate (FPR) is on the x-axis. True Positive is when the lab ...

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