get_smooths: Smooth function with optional grouping

In tern: Create Common TLGs Used in Clinical Trials

Smooth function with optional grouping

Description

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	(string) x column name.
y	(string) y column name.
groups	(character or NULL) vector with optional grouping variables names.
level	(proportion) 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.

tern documentation built on Sept. 24, 2024, 9:06 a.m.