ENPs                    Computes the Effective Number of Parties
NAto0                   Changes NAs in a vector into a given value
SciencesPo              A Tool Set For Analyzing Political Behavior
                        Data
addErrorBar             Add Error Bars on the Graph
addFootnote             Add Footnote to a ggplot Object
adj.residuals           Adjusted Residuals
ageGroups               Return a factor variable of age groups
anonymize               Make Data Anonymous
around                  Find the Values Around a Particular Value
as.timedf               A data.frame with time series parameters
bhodrick93              Bekaert's and Hodrick's (1993) Data
binomcdf                Binomial cumulative distribution function
binompdf                Binomial probability density function
bootstrap               Method for Bootstrap
categories              Extraction of Categorical Values as a
                        Preprocessing Step for Making Dummy Variables
center                  Center Predictor Variables.
cgreene76               Christensen's and Greene's (1976) Data
colNames                Column names as (always) a character vector
cross                   Factor cross products
cumlogit                Cumulative Logit
destring                Convert Factors into Numeric Vectors
detachAll               Detach All Data From the Memory
detail                  Method to Produce Descriptive Statistics
                        Summary
dummy                   Generate dummy variables
elapsed                 Return Elapsed Time in Years
electoralTool           A Toolkit to analyze electoral data
                        'electoralTool' can be used to analyze both
                        aggregate data and individual voting data.
eliminateNA             Eliminate NA observations
exportData              Writes a delimited text file
factorize               Conditionally convert vectors to factors
fade                    Add transparency
fillNA                  Filling in missing values 'fillNA' uses values
                        of a variable from one data set to fill in
                        missing values in another.
fillNAByPreviousData    Fill NA by Previous Value
fillin                  Make a data.frame Rectangular by filling
                        missing records
followup                Mark Followup Interviews by id and time
formatPercent           Format a numeric proportion
galton                  Galton's Family Data on Human Stature.
geary.test              Geary's test for normality
griliches76             Griliches's (1976) Data
info                    Get Information on Data Objects
invNormal               Inverse Cumulative Standard Normal Distribution
isid                    Finds ID combination
jackknife               Resamples Data Using the Jackknife Method
joinLists               Join a list of data frames
kalmanPredict           Kalman Filter Predict
kalmanUpdate            Kalman Filter Update
keep                    Subset data
kurtosis                Compute the Kurtosis
labelvar                Labels variables
linearAlgebra           Functions for teaching linear algebra.
loglik                  Calculate the Log Likelihood of a Normal
                        Distribution
lookup                  Lookup
lrtest                  Likelihood Ratio Test (LRT)
ltaylor96               Lothian's and Taylor's (1996) Data Set
margins                 Puts Arbitrary Margins on Two-way Tables or
                        Arrays
matching                Matching
maxGaussian             Maximize Gaussian
mc                      Generate Markov Chains
mi                      Identify Columns with at least one NA value
mishkin92               Mishkin's (1992) Data
mode                    Calculate the Mode
modify                  Modify data elements by their position
multiPlot               Multiple ggplot objects
nameSplit               Splits name field variable
nearest                 Find the Nearest Value
nearest.loc             Find Location of the Nearest Value
nerlove63               Marc Nerlove's (1963) data
normalcdf               Normal Cumulative Distribution
normalize               Unity-based normalization
normalpdf               Normal probability density function
orrr                    Odds Ratio and Relative Risk for 2 x 2
                        Contingency Tables
otherNames              Extracts names from a dataset other than the
                        ones indicates
outliers                Detect Outliers
paired                  Paired Data
pause                   Pause
peek                    Show Observations Randomly Drawn from the Data
perc.table              Express table entries as percentage of marginal
                        table.
percentile              Converts into percentile
perspBox                Create an Empty Persp Plot
plotMC                  Plot Markov Chains
print.lrtest            Method for printing lrtest
psum                    Parallel sum
quotize                 Places quotation marks
rDirichlet              Samples from Dirichlet distribution
rand.block              Create Block-randomized Designs
rand.imput              Random Imputation
read.zTree              Reads zTree output files
recode                  Recode variable
rename                  Rename a variable
replaceCommas           Replace commas by dots
reverseLevels           Reverse the levels of a factor.
rleFrame                Converts rle object to data.frame
rowSample               Row Sample
rownames2col            Rownames to column
rprob                   Pairwise Correlations With Probabilities
rstack                  Stacked Table With Correlations
safeRequire             Safe require
sampleCovariance        Calculate the Sample Covariance
scale                   Scalling Method
se                      Calculate the Standard Error
sheston91               The Penn World Table
shift                   Lag or Lead Observations
skewness                Compute the Skewness
slice                   Slice a vector
ssex                    Same Sex Marriage Public Opinion Data
stukel                  Stukel's test of the logistic link
svTransform             Transform dependent variable
swatson93               Stock's and Watson's (1993) Data.
tableau                 Proportion Table for Univariate Analysis
testAssociation         Association tests for contingency tables
titanic                 Titanic
tobaccovote             Tobacco Lobbying Data
trim                    Trim white spaces
trueMedian              Calculates the true median
tsCollapse              Aggregated Data by Time Parameters
unnest                  Unnest a Nested List
unscale                 Unscale Data
us2012                  US Presidential Election Opinion Polls
use                     Attach exclusively various file formats
userPrompt              Prompt for User Action
variation               Pearson's Coefficient of Variation
vif                     Variance Inflation Factor
watch                   Watch For Changes in a Data Object
weather                 NY Weather 1995-2014
weighted.var            Weighted Variance
winsorize               Winsorized Mean
wrap                    Wrap all related variables
zscore                  Compute z-scores
