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knitr::opts_chunk$set( collapse = TRUE, comment = "#>" )
This example demonstrates how to use the breakDown
package for models created with the xgboost package.
library("breakDown") library(xgboost) model_martix_train <- model.matrix(left ~ . - 1, HR_data) data_train <- xgb.DMatrix(model_martix_train, label = as.numeric(HR_data$left)) param <- list(objective = "reg:linear") HR_xgb_model <- xgb.train(param, data_train, nrounds = 50) HR_xgb_model
Now we are ready to call the broken()
function.
library("breakDown") nobs <- model_martix_train[1L, , drop = FALSE] explain_2 <- broken(HR_xgb_model, new_observation = nobs, data = model_martix_train) explain_2
And plot it.
library(ggplot2) plot(explain_2) + ggtitle("breakDown plot for xgboost model")
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