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@dgrtwo
Created June 4, 2018 15:45
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library(modelr)
library(tidyverse)
library(broom)
mtcars %>%
crossv_kfold(k = 10) %>%
mutate(model = map(train, ~ lm(mpg ~ wt, .)),
result = map2(model, test, ~ augment(.x, newdata = .y))) %>%
unnest(result)
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