October 2012
Beginner to intermediate
721 pages
21h 38m
English
Content preview from R in a Nutshell, 2nd Edition
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Distribution Function Families
Here is a table showing the probability distribution functions available in R. In addition to the arguments listed above that are common to each type of function, there are also some arguments that are common to each family.
| Family | PDF or PMF | R functions | Family arguments |
|---|---|---|---|
| Beta |
| dbeta,
pbeta,
qbeta,
rbeta | shape1, shape2, ncp = 0 |
| Binomial |
| dbinom,
pbinom,
qbinom,
rbinom | size, prob |
| Birthday | pbirthday, qbirthday | classes, coincident | |
| Cauchy |
| dcauchy, pcauchy, qcauchy, rcauchy | location, scale |
| Chi-squared |
| dchisq, pchisq, qchisq, rchisq | df, ncp=0 |
| Exponential |
| dexp, pexp, qexp, rexp | rate |
| F-distribution |
| df pf qf
rf | df1, df2, ncp |
| Gamma |
| dgamma, pgamma, qgamma, rgamma | shape, rate=1, scale=1/rate |
| Geometric |
| dgeom, pgeom, qgeom, rgeom | prob |
| Hypergeometric |
| dhyper, phyper, qhyper, rhyper | m, n, k (and ... |
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