The population stability index (PSI) is a widely used statis- tic that measures how much a variable has shifted over time. PSI is also used to measure applicability of a model by measuring shift in either independent or dependent variables.
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In simple words, Population Stability Index (PSI) compares the distribution of a scoring variable (predicted probability) in scoring data set to a training data ...
Aug 30, 2020 · During the model building and monitoring phases PSI and CSI can be a very powerful metrics. In this article we will try to cover when can we ...
Population Stability Index (PSI) is one of the widely used model monitoring metrics which measure the difference between the model development sample and ...