Includes all the datasets of 'Sampling: Design and Analysis'
    (3rd edition by Sharon Lohr) in R format and additional functions for
    analyzing and graphing probability samples.

Stock-and-flow models are a computational method from the
    field of system dynamics. They represent how systems change over time
    and are mathematically equivalent to ordinary differential equations.
    'sdbuildR' (system dynamics builder) provides an intuitive interface
    for constructing stock-and-flow models without requiring extensive
    domain knowledge. Models can quickly be simulated and revised,
    supporting iterative development.  'sdbuildR' simulates models in 'R'
    and 'Julia', and supports computationally intensive ensemble
    simulations. Additionally, 'sdbuildR' can import models created in
    'Insight Maker' (<https://insightmaker.com/>).

Estimate attribute values for one set of polygons from values
    measured on a different, misaligned set. Provides area-weighted areal
    interpolation and a dasymetric method that distributes values across a
    point layer (such as parcel centroids). Count (extensive) measures are
    total-preserving; rate (intensive) measures use area-weighted means.

Provides functionality to generate, (interactively) modify (by adding, removing and renaming nodes) and convert nested hierarchies between different formats.
  These tree like structures can be used to define for example complex hierarchical tables used for statistical disclosure control.

Tools for researchers to explicitly show that their results
    comply to rules for statistical disclosure control imposed by research
    data centers. These tools help in checking descriptive statistics and
    models and in calculating extreme values that are not individual data.
    Also included is a simple function to create log files. The methods
    used here are described in the "Guidelines for the checking of output
    based on microdata research" by Bond, Brandt, and de Wolf (2015)
    <https://cros.ec.europa.eu/system/files/2024-02/Output-checking-guidelines.pdf>.