Purpose
-------
Stixbox is a statistics toolbox which provides distribution functions, datasets,
statistical tests and plotting facilities.
Features
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* Cumulated Distribution Functions
* pks : Kolmogorov Smirnov distribution function
* Random Numbers
* rexpweib : Random numbers from the exponential or weibull distributions
* Datasets
* getdata : Famous datasets
* Graphics
* histo : plot a histogram
* identify : Identify points on a plot by clicking with the mouse
* linreg : Linear or polynomial regression
* pairs : Pairwise scatter plots
* plotdens : Draw a nonparametric density estimate
* plotsym : Plot with symbols
* qqnorm : Normal probability paper
* qqplot : Plot empirical quantile vs empirical quantile
* stairs : Plots the Empirical Cumulated Distribution.
* Logistic Regression
* lodds : Log odds function
* loddsinv : inverse of log odd
* logitfit : Fit a logistic regression model
* Miscellaneous
* betainc : Incomplete beta function
* betaln : Logarithm of beta function
* ciboot : Various bootstrap confidence intervals
* cov : Covariance matrix
* covboot : Bootstrap estimate of the variance of a parameter estimate
* covjack : Jackknife estimate of the variance of a parameter estimate
* gammainc : The incomplete gamma function
* polyfit : Polynomial curve fitting
* polyval : Polynomial evaluation
* quantile : Empirical quantile (percentile).
* rboot : Simulate a bootstrap resample from a sample
* stdboot : Bootstrap estimate of the parameter standard deviation
* stdjack : Jackknife estimate of the standard deviation of a parameter
estimate
* Tests, confidence intervals and model estimation
* ciquant : Nonparametric confidence interval for quantile
* cmpmod : Compare linear submodel versus larger one
* kstwo : Kolmogorov-Smirnov statistic from two samples
* lsfit : Fit a multiple regression normal model
* lsselect : Select a predictor subset for regression
* test1b : Bootstrap t test and confidence interval for the mean
* test1n : Tests and confidence intervals based on a normal sample
* test1r : Test for median equals 0 using rank test
* test2n : Tests and confidence intervals based on two normal samples with
common variance