Articles by Jerry Tuttle

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

August 8, 2020 | Jerry Tuttle

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 ... [Read more...]

Outliers and Domain Knowledge

July 10, 2020 | Jerry Tuttle

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) ... [Read more...]

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