HH v1.18-3

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Statistical Analysis and Data Display: Heiberger and Holland

Support software for Statistical Analysis and Data Display (Springer, ISBN 0-387-40270-5). This contemporary presentation of statistical methods features extensive use of graphical displays for exploring data and for displaying the analysis. The authors demonstrate how to analyze data---showing code, graphics, and accompanying computer listings---for all the methods they cover. They emphasize how to construct and interpret graphs, discuss principles of graphical design, and show how accompanying traditional tabular results are used to confirm the visual impressions derived directly from the graphs. Many of the graphical formats are novel and appear here for the first time in print. All chapters have exercises.

Functions in HH

 Name Description ancova-class Class "ancova" Analysis of Covariance ancova Compute and plot oneway analysis of covariance hh Resolve filenames relative to the HH directory. if.R Conditional Execution for R or S-Plus do.formula.trellis.xysplom Interprets model formulas for xysplom and extended bwplots legendGrob2wt place separate keys to the left of each row of a trellis interaction.positioned interaction method for positioned factors. mcalinfct MCA multiple comparisons analysis (pairwise) GSremove Remove selected GraphSheetPages in the S-Plus Windows GUI Graphsheet export.eps Exports a graph to an EPS file. norm.curve plot a normal or a t-curve with both x and z axes. X.residuals Residuals from the regression of each column of a data.frame against all the other columns. grid.yaxis.hh make x- and y-axis labels panel.cartesian trellis panel function, with labeled rows and columns and without strip labels. axis.i2wt specialized axis function for interaction2wt. odds.ratio Calculate or plot the odds ratio for a 2x2 table of counts. sufficient Calculates the mean, standard deviation, and number of observations in each group of a data.frame that has one continuous variable and two factors. panel.bwplott Extension to S-Plus trellis to allow transposed plots. HH-package Support software for Statistical Analysis and Data Display by Richard M. Heiberger and Burt Holland panel.ci.plot Default Panel Function for ci.plot position 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. col.hh Initializing Trellis Displays as.multicomp Support functions in R for MMC (mean--mean multiple comparisons) plots. positioned-class Class "positioned", extends "ordered" to specify the position for graphing the levels of a factor. multicomp.reverse Force all comparisons in a "multicomp" object to have the same sign. partial.corr partial correlations residual.plots Residual plots for a linear model. xysplom scatterplot matrix with potentially different sets of variables on the rows and columns. panel.pairs.hh Function based on S-Plus panel.pairs to add the subpanel.scales and panel.cex arguments. plot.hov Homogeneity of Variance Plot objip loop through all attached directories looking for pattern mmc MMC (mean--mean multiple comparisons) plots. multicomp.order Update a multicomp object by ordering its contrasts. intxplot Interaction plot, with an option to print standard error bars. bwplot.formula Replacement for bwplot.formula and compute.packet in R to allow them to work with the new "positioned" class. regr1.plot plot x and y, with optional straight line fit and display of squared residuals mmc.mean MMC (mean--mean multiple comparisons) plots from the sufficient statistics for a one-way design. ci.plot Plot confidence and prediction intervals for simple linear regression strip.xysplom strip function that is able to place the correlation or regression coefficient into the strip label. resid.squares plot squared residuals in inches to match the y-dimension strip.background0 Turn off the coloring in the trellis strip labels. Color 0 is the background color. panel.bwplot.intermediate.hh Panel functions for bwplot. orthog.complete Construct an orthogonal matrix which is an arbitrary completion of the column space of the input set of columns. aov.sufficient Analysis of variance from sufficient statistics for groups. ladder Draw a "ladder of powers" plot, plotting each of several powers of y against the same powers of x. anova.mean ANOVA table from the group sample sizes, means, and standard deviations. plot.multicomp Multiple comparisons plot that gives independent user control over the appearance of the significant and not significant comparisons. hov Homogeneity of Variance plot.mmc.multicomp MMC (Mean--mean Multiple Comparisons) plot. push.vp.hh push and pop a grid viewport, turn clipping off, change scale. panel.interaction2wt Plot all main effects and twoway interactions in a multifactor design t.trellis Interchange the x- and y-axes for an S-Plus trellis object. Identity function for an R lattice object. lm.case case statistics for regression analysis interaction2wt Plot all main effects and twoway interactions in a multifactor design panel.xysplom panel method for xysplom. vif Calculate the Variance Inflation Factor No Results!