Greg's Miscellaneous Functions


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Accompanying documentation is available in the subdirectory "doc" of the installed package.

aggregate.table Create 2-Way Table of Summary Statistics
balloonplot Plot a graphical matrix where each cell contains a dot whose size reflects the relative magnitude of the corresponding component.
bandplot Plot x-y Points with Locally Smoothed Mean and Standard Deviation
barplot2 Enhanced Bar Plots
boxplot.n Produce a Boxplot Annotated with the Number of Observations
capture Capture printed output of an R expression in a string
ci Compute Confidence Intervals
combinations Enumerate the Combinations or Permutations of the Elements of a Vector
combine Combine R Objects With a Column Labeling the Source
contrast.lm Compute and test arbitrary contrasts for regression objects (Depreciated, use 'fit.contrasts' instead.)
CrossTable Cross Tabulation with Tests for Factor Independence
ddirichlet Functions for the Dirichlet Distribution
estimable Compute and test estimable linear functions of the fitted coefficients (including contrasts) of regression objects
factorial Compute factorial function
fast.prcomp Efficient computation of principal components and singular value decompositions.
fast.svd Efficient computation of principal components and singular value decompositions.
fit.contrast Compute and test arbitrary contrasts for regression objects
glh.test Test a General Linear Hypothesis for a Regression Model
hist2d Compute and Plot a 2-Dimensional Histogram
iapply Undocumented functions
interleave Interleave Rows of Data Frames or Matrices
inv.logit Generalized logit and inverse logit function
lfactorial Compute factorial function
logit Generalized logit and inverse logit function
lowess Scatter Plot Smoothing
make.contrasts Construct a User-Specified Contrast Matrix
matchcols Select columns names matching certain critera
nobs Compute the Number of Non-missing Observations
permutations Enumerate the Combinations or Permutations of the Elements of a Vector
permute Randomly Permute the Elements of a Vector
plotCI Plot Error Bars
plotmeans Plot Group Means and Confidence Intervals
print.glh.test Test a General Linear Hypothesis for a Regression Model
qqnorm.aov Makes a half or full normal plot for the effects from an aov model
quantcut Create a Factor Variable Using the Quantiles of a Continuous Variable
rdirichlet Functions for the Dirichlet Distribution
rename.vars Rename variables in a dataframe
reorder.factor Reorder the Levels of a Factor
residplot Undocumented functions
running Apply a Function Over Adjacent Subsets of a Vector
running2 Apply a Function Over Adjacent Subsets of a Vector
space Space points in an x-y plot so they don't overlap.
sprint Capture printed output of an R expression in a string
summary.glh.test Test a General Linear Hypothesis for a Regression Model
textplot Display text information in a graphics plot.
trim Remove leading and trailing spaces from character strings
wapply Compute the Value of a Function Over a Local Region Of An X-Y Plot