bethatkinson
commented
9 months ago pages 11/12 of the rpart vignette covers this topic.
https://cran.r-project.org/web/packages/rpart/vignettes/longintro.pdf
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tmp_df <- data.frame( Y = as.factor(c(1, 1, 1, 1, 1, 0, 0, 0, 0, 0)), weight = 10:1, height = c(10:7, 5, 6, 4:1) )
tmp_df$weight[3] <- NA tm <- rpart(Y ~ weight + height, data = tmp_df, control = rpart.control( minsplit = 1, minbucket = 1, cp = 0, maxdepth = 1 ) ) summary(tm)
image.png (view on web)https://github.com/bethatkinson/rpart/assets/5112397/8f8399a8-befb-47a3-b2d1-3d13f0367607
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A-Pai
tmp_df <- data.frame( Y = as.factor(c(1, 1, 1, 1, 1, 0, 0, 0, 0, 0)), weight = 10:1, height = c(10:7, 5, 6, 4:1) )
tmp_df$weight[3] <- NA tm <- rpart(Y ~ weight + height, data = tmp_df, control = rpart.control( minsplit = 1, minbucket = 1, cp = 0, maxdepth = 1 ) ) summary(tm)