Contents

Contents
A rudimentary statistics toolbox.
 Version 1.10, 9-Sep-98
 Copyright (c) Anders Holtsberg.
 Comments and suggestions to andersh@maths.lth.se.

 Distribution functions.
   dbeta     - Beta density function.
   dbinom    - Binomial probability function.
   dchisq    - Chisquare density function.
   df        - F density function.
   dgamma    - Gamma density function.
   dhypg     - Hypergeometric probability function.
   dnorm     - Normal density function.
   dt        - Student t density function.

   pbeta     - Beta distribution function.
   pbinom    - Binomial cumulative probability function.
   pchisq    - Chisquare distribution function.
   pf        - F distribution function.
   pgamma    - Gamma distribution function.
   phypg     - Hypergeometric cumulative probability function.
   pks       - Kolmogorov Smirnov distribution function.
   pnorm     - Normal distribution function.
   pt        - Student t cdf.

   qbeta     - Beta inverse distribution function.
   qbinom    - Binomial inverse cdf.
   qchisq    - Chisquare inverse distribution function.
   qf        - F inverse distribution function.
   qgamma    - Gamma inverse distribution function.
   qhypg     - Hypergeometric inverse cdf.
   qnorm     - Normal inverse distribution function.
   qt        - Student t inverse distribution function.

   rbeta     - Random numbers from the beta distribution.
   rbinom    - Random numbers from the binomial distribution.
   rchisq    - Random numbers from the chisquare distribution.
   rexpweib  - Random numbers from the exp and weibull distributions.
   rf        - Random numbers from the F distribution
   rgamma    - Random numbers from the gamma distribution.
   rgeom     - Random numbers from the geometric distribution.
   rhypg     - Random numbers from the hypergeometric distribution.
   rnorm     - Normal random numbers (use randn instead).
   rpoiss    - Random random numbers from the poisson distribution.
   rt        - Random numbers from the student t distribution.

 Logistic regression.
   logitfit  - Fit a logistic regression model.
   lodds     - Log odds function.
   loddsinv  - Inverse of log odds function.

 Various functions.
   bincoef   - Binomial coefficients.
   getdata   - Some famous multivariate data sets.
   quantile  - Empirical quantile (percentile).

 Tests, confidence intervals, and model estimation.
   cmpmod    - Compare small linear model versus large one.
   ciquant   - Nonparametric confidence interval for quantile.
   kstwo     - Smirnov test for two samples.
   lsfit     - Fit a least squares model.
   lsselect  - Select a predictor subset for regression.
   test1n    - Tests and confidence intervals, one normal sample.
   test2n    - Tests and confidence intervals, two normal samples.