residPlot

Plots a scatter plot for the variables of the residuals and fitted values
from the linear model, lmfit. A lowess smooth line for the underlying trend,
as well as one standard deviation error bounds for the scatter about this
trend, are added to this scatter plot. A test for a quadratic relationship
between the residuals and the fitted values is also computed.

hplot

A set of functions used in teaching STATS 201/208 Data Analysis at
the University of Auckland. The functions are designed to make parts of R more
accessible to a large undergraduate population who are mostly not statistics
majors.

James Curran

s20x

Functions for University of Auckland Course STATS 201/208 Data
Analysis

Brant Deppa

Rachel Fewster

Russell Millar

Ben Stevenson

Andrew Balemi

Chris Wild

Sophie Jones

Dineika Chandra

Brendan McArdle

residPlot function

<dl><dt>lmfit</dt>
<dd>an <code>lm</code> object, i.e. the output from <code>lm</code>.</dd>
<dt>f</dt>
<dd>the smoother span. This gives the proportion of points in the plot
which influence the smooth at each value. Larger values give more
smoothness.</dd></dl>

Arguments

Fitted values versus residuals plot — residPlot

<dl>

<dt>lmfit</dt>
<dd>an <code>lm</code> object, i.e. the output from <code>lm</code>.</dd>


<dt>f</dt>
<dd>the smoother span. This gives the proportion of points in the plot
which influence the smooth at each value. Larger values give more
smoothness.</dd>

</dl>

Fitted values versus residuals plot

residPlot: Fitted values versus residuals plot

Description

Usage

Value

Arguments

See Also

Examples