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- # Impute missing values in the Ozone and Solar.R columns
- library(dplyr)
- airquality <- airquality %>%
- mutate(
- Ozone = ifelse(is.na(Ozone), median(Ozone, na.rm = TRUE), Ozone),
- Solar.R = ifelse(is.na(Solar.R), mean(Solar.R, na.rm = TRUE), Solar.R)
- )
- # Explanation: Median is less affected by outliers and may be preferable for skewed data like Ozone.
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