txtplot - Text Based Plots

Provides functions to produce rudimentary ascii graphics directly in the terminal window. Provides a basic plotting function (and equivalents of curve, density, acf and barplot) as well as boxplot and image functions.

Last updated 5 years ago

5.81 score 24 stars 2 packages 90 scripts 955 downloads

crossdes - Construction of Crossover Designs

Contains functions for the construction of carryover balanced crossover designs. In addition contains functions to check given designs for balance.

Last updated 3 years ago

3.60 score 1 stars 8 packages 45 scripts 1.2k downloads

SEL - Semiparametric Elicitation

Implements a method for fitting a bounded probability distribution to quantiles (for example stated by an expert), see Bornkamp and Ickstadt (2009) for details. For this purpose B-splines are used, and the density is obtained by penalized least squares based on a Brier entropy penalty. The package provides methods for fitting the distribution as well as methods for evaluating the underlying density and cdf. In addition methods for plotting the distribution, drawing random numbers and calculating quantiles of the obtained distribution are provided.

Last updated 12 months ago

3.41 score 2 packages 43 scripts 360 downloads

gsbDesign - Group Sequential Bayes Design

Group Sequential Operating Characteristics for Clinical, Bayesian two-arm Trials with known Sigma and Normal Endpoints, as described in Gerber and Gsponer (2016) <doi: 10.18637/jss.v069.i11>.

Last updated 10 months ago

2.48 score 3 stars 4 scripts 269 downloads

iterLap - Approximate Probability Densities by Iterated Laplace Approximations

The iterLap (iterated Laplace approximation) algorithm approximates a general (possibly non-normalized) probability density on R^p, by repeated Laplace approximations to the difference between current approximation and true density (on log scale). The final approximation is a mixture of multivariate normal distributions and might be used for example as a proposal distribution for importance sampling (eg in Bayesian applications). The algorithm can be seen as a computational generalization of the Laplace approximation suitable for skew or multimodal densities.

Last updated 1 years ago

1.00 score 5 scripts 274 downloads