B                       Fast Between (Averaging) and (Quasi-)Within
                        (Centering) Transformations
BY                      Split-Apply-Combine Computing
GGDC10S                 Groningen Growth and Development Centre
                        10-Sector Database
GRP                     Fast Grouping / _collapse_ Grouping Objects
TRA                     Transform Data by (Grouped) Replacing or
                        Sweeping out Statistics
across                  Apply Functions Across Multiple Columns
arithmetic              Fast Row/Column Arithmetic for Matrix-Like
                        Objects
collap                  Advanced Data Aggregation
collapse-documentation
                        Collapse Documentation & Overview
collapse-options        _collapse_ Package Options
collapse-package        Advanced and Fast Data Transformation
collapse-renamed        Renamed Functions
colorder                Fast Reordering of Data Frame Columns
dapply                  Data Apply
data-transformations    Data Transformations
descr                   Detailed Statistical Description of Data Frame
efficient-programming   Small Functions to Make R Programming More
                        Efficient
fFtest                  Fast (Weighted) F-test for Linear Models (with
                        Factors)
fast-data-manipulation
                        Fast Data Manipulation
fast-grouping-ordering
                        Fast Grouping and Ordering
fast-statistical-functions
                        Fast (Grouped, Weighted) Statistical Functions
                        for Matrix-Like Objects
fcount                  Efficiently Count Observations by Group
fcumsum                 Fast (Grouped, Ordered) Cumulative Sum for
                        Matrix-Like Objects
fdiff                   Fast (Quasi-, Log-) Differences for Time Series
                        and Panel Data
fdist                   Fast and Flexible Distance Computations
fdroplevels             Fast Removal of Unused Factor Levels
ffirst                  Fast (Grouped) First and Last Value for
                        Matrix-Like Objects
fgrowth                 Fast Growth Rates for Time Series and Panel
                        Data
fhdbetween              Higher-Dimensional Centering and Linear
                        Prediction
flag                    Fast Lags and Leads for Time Series and Panel
                        Data
flm                     Fast (Weighted) Linear Model Fitting
fmax                    Fast (Grouped) Maxima and Minima for
                        Matrix-Like Objects
fmean                   Fast (Grouped, Weighted) Mean for Matrix-Like
                        Objects
fmode                   Fast (Grouped, Weighted) Statistical Mode for
                        Matrix-Like Objects
fndistinct              Fast (Grouped) Distinct Value Count for
                        Matrix-Like Objects
fnobs                   Fast (Grouped) Observation Count for
                        Matrix-Like Objects
fnth                    Fast (Grouped, Weighted) N'th Element/Quantile
                        for Matrix-Like Objects
fprod                   Fast (Grouped, Weighted) Product for
                        Matrix-Like Objects
fquantile               Fast (Weighted) Sample Quantiles and Range
frename                 Fast Renaming and Relabelling Objects
fscale                  Fast (Grouped, Weighted) Scaling and Centering
                        of Matrix-like Objects
fselect                 Fast Select, Replace or Add Data Frame Columns
fsubset                 Fast Subsetting Matrix-Like Objects
fsum                    Fast (Grouped, Weighted) Sum for Matrix-Like
                        Objects
fsummarise              Fast Summarise
ftransform              Fast Transform and Compute Columns on a Data
                        Frame
funique                 Fast Unique Elements / Rows
fvar                    Fast (Grouped, Weighted) Variance and Standard
                        Deviation for Matrix-Like Objects
get_elem                Find and Extract / Subset List Elements
group                   Fast Hash-Based Grouping
groupid                 Generate Run-Length Type Group-Id
indexing                Fast Indexed Time Series and Panels
is_unlistable           Unlistable Lists
ldepth                  Determine the Depth / Level of Nesting of a
                        List
list-processing         List Processing
pad                     Pad Matrix-Like Objects with a Value
psacf                   Auto- and Cross- Covariance and Correlation
                        Function Estimation for Panel Series
psmat                   Matrix / Array from Panel Series
pwcor                   (Pairwise, Weighted) Correlations, Covariances
                        and Observation Counts
qF                      Fast Factor Generation, Interactions and Vector
                        Grouping
qsu                     Fast (Grouped, Weighted) Summary Statistics for
                        Cross-Sectional and Panel Data
qtab                    Fast (Weighted) Cross Tabulation
quick-conversion        Quick Data Conversion
radixorder              Fast Radix-Based Ordering
rapply2d                Recursively Apply a Function to a List of Data
                        Objects
recode-replace          Recode and Replace Values in Matrix-Like
                        Objects
roworder                Fast Reordering of Data Frame Rows
rsplit                  Fast (Recursive) Splitting
seqid                   Generate Group-Id from Integer Sequences
small-helpers           Small (Helper) Functions
summary-statistics      Summary Statistics
t_list                  Efficient List Transpose
time-series-panel-series
                        Time Series and Panel Series
timeid                  Generate Integer-Id From Time/Date Sequences
unlist2d                Recursive Row-Binding / Unlisting in 2D - to
                        Data Frame
varying                 Fast Check of Variation in Data
wlddev                  World Development Dataset
