Smooth Function with Optional Grouping — get_smooths • tern

This produces loess smoothed estimates of y with Student confidence intervals.

Usage

get_smooths(df, x, y, groups = NULL, level = 0.95)

Arguments

df: (data.frame)
data set containing all analysis variables.
x: (character)
value with x column name.
y: (character)
value with y column name.
groups: (character)
vector with optional grouping variables names.
level: (numeric)
level of confidence interval to use (0.95 by default).

Value

A data.frame with original x, smoothed y, ylow, and yhigh, and optional groups variables formatted as factor type.