modelr (version 0.1.0)

na.warn: Handle missing values with a warning

Description

This NA handler works ensures that those models that support the na.action parameter do not silently drop missing values. It wraps around na.exclude so that there is one prediction/residual for input row. To apply it globally, run options(na.action = na.warn).

Usage

na.warn(object)

Arguments

object

A data frame

...

Other arguments (not currently used)

Examples

# NOT RUN {
df <- tibble::tibble(
  x = 1:10,
  y = c(5.1, 9.7, NA, 17.4, 21.2, 26.6, 27.9, NA, 36.3, 40.4)
)
# Default behaviour is to silently drop
m1 <- lm(y ~ x, data = df)
resid(m1)

# Use na.action = na.warn to warn
m2 <- lm(y ~ x, data = df, na.action = na.warn)
resid(m2)
# }