Rearranges and improves the legibility of the output from
the stepwise function in S-Plus.
partial correlations
Support functions in R for MMC (mean--mean multiple comparisons) plots.
Plot all main effects and twoway interactions in a multifactor design
Returns a value for the diagonal of NA and NULL arguments.
Exports a graph to an EPS file.
MCA multiple comparisons analysis (pairwise)
summary and print and subscript methods for tsdiagplot and related objects.
plot a normal or a t-curve with both x and z axes.
Find the row numbers in the lmat
corresponding to the focus factor.
Evaluate lm model with highest adjusted $R^2$.
trellis panel function, with labeled rows and columns and without
strip labels.
seqplot with confidence bands for the forecast region.
Dotplot with evenly spaced tiebreakers.
Time series plot.
Analysis of variance from sufficient statistics for groups.
plot x and y,
with optional straight line fit and display of squared residuals
Resolve filenames relative to the HH directory.
strip function that is able to place the correlation or regression
coefficient into the strip label.
MMC (mean--mean multiple comparisons) plots.
Compute and plot oneway analysis of covariance
Panel functions for tsdiagplot.
scatterplot matrix with potentially different sets of variables
on the rows and columns.
Homogeneity of Variance
Count the number of parameters in an ARIMA model specification.
case statistics for regression analysis
loop through all attached directories looking for pattern
Interaction plot, with an option to print standard error bars.
Print a "tsdiagplot" object.
Calculate or plot the odds ratio for a 2x2 table of counts.
Draw a "ladder of powers" plot, plotting each of several powers
of y against the same powers of x.
Residual plots for a linear model.
Function based on S-Plus panel.pairs to add the subpanel.scales
and panel.cex arguments.
Miscellaneous functions that I wish were in or consistent between
S-Plus and R.
3D plot of z against x and y,
with regression plane fit and display of squared residuals.
Conditional Execution for R or S-Plus
Turn off the coloring in the trellis strip labels. Color 0 is the
background color.
Residuals from the regression of each column of a
data.frame against all the other columns.
Repair design error in S-Plus arima.diag
Times series diagnostic plots for a structured set of
ARIMA models.
Class "ancova" Analysis of Covariance
AE (Adverse Events) dotplot of incidence and relative risk
Initializing Trellis Displays
Force all comparisons in a "multicomp" object to have the same sign.
Find or assign the implied position for graphing the levels of a
factor.
A new class "positioned", which inherits from "ordered" and "factor",
is defined.
Intermediate f and chisq functions to simplify writing
for both R and S-Plus.
interaction method for positioned factors.
Homogeneity of Variance Plot
Support software for
Statistical Analysis and Data Display
by
Richard M. Heiberger and Burt Holland
MMC (mean--mean multiple comparisons) plots from the sufficient
statistics for a one-way design.
Calculates the mean, standard deviation, and number of
observations in each group of a data.frame that has one continuous
variable and two factors.
Update a multicomp object by ordering its contrasts.
Interchange the x- and y-axes for an S-Plus trellis object.
Interchange the conditioning variables for an R trellis object.
Construct an orthogonal matrix which is an arbitrary completion
of the column space of the input set of columns.
Multiple comparisons plot that gives independent user control
over the appearance of the significant and not significant comparisons.
panel.bwplot.intermediate.hh
Panel functions for bwplot.
Calculate the Variance Inflation Factor
Plot confidence and prediction intervals for simple linear regression
Coordinated time series and ACF and PCF plots.
Retain averaging behavior that was previously available in glht.
ANOVA table from the group sample sizes, means, and standard deviations.
Logistic function and its inverse.
specialized axis function for interaction2wt.
do.formula.trellis.xysplom
Interprets model formulas for xysplom and extended bwplots
Helper functions for regr2.plot
place separate keys to the left of each row of a trellis
MMC (Mean--mean Multiple Comparisons) plot.
panel method for xysplom.
Calculate Box--Ljung Goodness of Fit for ARIMA models in S-Plus.
plot squared residuals in inches to match the y-dimension
Class "positioned", extends "ordered" to specify the position
for graphing the levels of a factor.
Plot all main effects and twoway interactions in a multifactor design
Display tabular results for Best Subsets Regression.
make x- and y-axis labels
push and pop a grid viewport, turn clipping off, change scale.
plot a chisquare or a F-curve.
Remove selected GraphSheetPages in the S-Plus Windows GUI Graphsheet
Loop through a series of ARIMA models and display coordinated
tables and diagnoastic graphs.
Extension to S-Plus trellis to allow transposed plots.
Default Panel Function for ci.plot