Aggregating functions
Create function from data
Delta method on data frames
Return the path to a documentation file in a package
Some favorite statistical summaries
Fit splines to data
All pairs mean and sum of absolute differences
Cull objects used with do()
return a vector of row or column indices
Integrate ordinary differential equations
2-ary Aggregating functions
mosaic: the Project MOSAIC package
Evaluate a formula
Convert objects to xtabs format
Additional interfaces to TukeyHSD
List extraction
Defunct functions now in the fetch package
Distribution wrapper
apply-type function for data frames
Frequency Polygons
Maximum-likelihood fitting of univariate distributions
Difference in means and proportions
Adaptively generate sequences in an interval
Extract summary statistics
Groupwise models
Fit a nonlinear least squares model
extract predictor variables from a model
Make a world map with ggplot2
Create a color generating function from a vector of colors
Construct a model based on groupwise means
Augmented histograms
show confidence and preciction bands on plots
Check if formula
Transforms a shapefile into a dataframe
Tabulate categorical data
Lattice plot that draws a filled contour plot
Extract r-squared value
Convert formulas into standard shapes
Illustrated quantile calculations from distributions
Panel function for plotting functions
Plot a regression model
Return a dataset based on the CIA World Factbook
Set seed in parallel compatible way
Convert between degrees and radians
Extract data from a data frame using a formula interface
Scatter plot of points
Create vector based on roughly equally sized groups
The Data Distribution
Numerical Derivatives
All pairs mean and sum of absolute differences
Tossing Coins
Mean Squared Prediction Error
rgeo internal functions
Format strings for pretty output
Rescale
Average Shifted Histograms
Extract coefficients from a function
Multi-Dimensional Root Finding
Exact Tests for Proportions
Cumulative frequency plots
Central portion of a distribution
Generate a natural-looking function
Student's t-Test
Check whether RStudio is in use
ggplot2 theme for maps
mosaic tools for clustering
Turn logicals into factors; leave other things alone
Lattice Theme
Odds Ratio and Relative Risk for 2 x 2 Contingency Tables
Lagged Differences with equal length
Symbolic Derivatives
Extract data from R objects
More Random Samples
Expand the left-hand side of a formula
Join data frames
Compute confidence intervals from (multiple) simulated data sets
1-ary Aggregating functions
Convert back and forth between latitude/longitude and XYZ-space
Functions for teaching linear algebra.
Create a function from a formula
Logit and inverse logit functions
Resample a Linear Model
Sample longitude and latitude on a sphere
Extract Chi-squared statistic
Compare means between 2 groups
Make a map with ggplot2
Plots of Discrete and Continuous Distributions
A simple Runge-Kutte integrator
Generic plotting
Projections
Tally test statistics
Evaluate a part of a formula
Random Regressors
Conditionally convert vectors to factors
Repeater objects
Augmented versions of pnorm and qnorm
Swap values among columns of a data frame
Augmented Chi-squared test
Plotting mathematical expressions
Update confidence interval
Augmented version of qqmath
Standardization of Geographic Names
Derivative and Anti-derivative operators
Confidence interval methods for output of resampling
Dotplots
Display a point on earth on a Google Map
Create factors from logicals
Infer arguments
Check for whole number values
Parse formulas
Make a US map with ggplot2
Find the zeros of a function of two or more variables
Add to Lattice Plots
Modified summaries
Nice names
Compare proportions between 2 groups
Do Things Repeatedly
Illustrated probability calculations from distributions
Compute proportions, percents, or counts for a single level
Cross tabulation displayed as percents or proportions
Extract r-squared value
Exact and Approximate Tests for Proportions
Simulate spinning a spinnner
Find the symbolic integral of a formula
Takes a call and returns its polynomial coefficients
Read data files
Compute z-scores
Create bar graphs from raw data
Factor cross products
Aggregate for mosaic
Find zeros of functions
Rational Approximation
Convert lazy objects into formulas
midpoints along a sequence
Setting options for mosaic package functions
Panel function for plotting functions
The Data Distribution