get predictions compatible with the partial dependence plotting method, sequential variant that only works for numeric predictions.
Source:R/alluvial_model_response.R
get_pdp_predictions_seq.Rdhas been replaced by pdp_predictions which can be paralelized and also handles factor predictions. It is still used to test results.
Arguments
- df
dataframe, training data
- imp
dataframe, with not more then two columns one of them numeric containing importance measures and one character or factor column containing corresponding variable names as found in training data.
- m
model object
- degree
integer, number of top important variables to select. For plotting more than 4 will result in two many flows and the alluvial plot will not be very readable, Default: 4
- bins
integer, number of bins for numeric variables, increasing this number might result in too many flows, Default: 5
- .f_predict
corresponding model predict() function. Needs to accept `m` as the first parameter and use the `newdata` parameter. Supply a wrapper for predict functions with x-y syntax. For parallel processing the predict method of object classes will not always get imported correctly to the worker environment. We can pass the correct predict method via this parameter for example randomForest:::predict.randomForest. Note that a lot of modeling packages do not export the predict method explicitly and it can only be found using :::.