View source: R/model_add_prediction.R
add_prediction | R Documentation |
Add model predictions and confidence bounds to a data frame.
add_prediction(data, ..., var = NULL, conf_int = FALSE, alpha = 0.1)
data |
a data frame of new data. |
... |
one or more objects of class |
var |
the name of the output column(s), defaults to NULL |
conf_int |
determines whether confidence intervals will be shown.
Defaults to |
alpha |
a real number between 0 and 1. Controls the confidence level of the interval estimates (defaults to 0.10, representing 90 percent confidence interval). |
data.frame
mod1 <- glm(nclaims ~ age_policyholder, data = MTPL,
offset = log(exposure), family = poisson())
mtpl_pred <- add_prediction(MTPL, mod1)
# Include confidence bounds
mtpl_pred_ci <- add_prediction(MTPL, mod1, conf_int = TRUE)
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