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gsg (version 2.0)

Calculation of selection coefficients

Description

gsg (gam selection gradients) provides a unified approach to the regression analysis of selection from longitudinal data collected from natural populations.

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Version

Install

install.packages('gsg')

Monthly Downloads

30

Version

2.0

License

GPL-2

Maintainer

Michael Morrissey

Last Published

October 16th, 2014

Functions in gsg (2.0)

humanNeonatal

Human male birth mass, gestation length, and neonatal survival
gsg-package

Calculation of selection coefficients
predict.gppr

Generalised projection pursuit regression
gppr.gradients

A function to calculate selection gradients from generalized additive model-based characterizions of fitness functions.
fitness.landscape

A function to estimate fitness landscapes, i.e. the relationship between popualtion mean fitness and population mean phenotype.
gam.gradients

A function to calculate selection gradients from generalized additive model-based characterizions of fitness functions.
SoayLambs

Soay sheep lamb phenotypic data and first year winter survival
moments.differentials

Calculates selection differentials directly from the differences in phenotypic moments before and after selection.
gppr

Generalised projection pursuit regression