2009年3月24日星期二

R functions for each probability distribution

name description
dname( ) density or probability function
pname( ) cumulative density function
qname( ) quantile function
rname( ) random deviates

Common probability distributions available in R

Distribution R name
Distribution R name
Beta beta Lognormal lnorm
Binomial binom Negative Binomial nbinom
Cauchy cauchy Normal norm
Chisquare chisq Poisson pois
Exponential exp Student t t
F f Uniform unif
Gamma gamma Tukey tukey
Geometric geom Weibull weib
Hypergeometric hyper Wilcoxon wilcox
Logistic logis

2009年2月26日星期四

reading: Evolutionary Genetics of Genome Merger and Doubling in Plants

evolving all we are

This is a blog about Dr Mao J-F's academic research. All the knowledge, observations and empirical experiences about Evolution, Ecology, Genetics and mathematical/computational application in biology have being focused here.

Welcome your advice, suggestions and comments on it.

Evolving all we are, physically, morally, creatively.