joint: Joint probability mass function of random variables X and Y

Description Usage Arguments Author(s) Examples

View source: R/discreteRV-Probabilities.r

Description

Joint probability mass function of random variables X and Y

Usage

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joint(X, Y, sep = ",", fractions = (attr(X, "fractions") & attr(Y,
  "fractions")))

Arguments

X

random variable

Y

random variable

sep

separator between items from marginal distributions, by default set to ","

fractions

If TRUE, return the probabilities as fractions

Author(s)

Heike Hofmann [email protected]

Examples

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d <- RV(c("A","B","C"), odds = c(3,5,11))
d2 <- joint(d,d)
probs(d2)

Example output

Attaching package: 'discreteRV'

The following object is masked from 'package:base':

    %in%

Warning messages:
1: In RV(outcomes = as.character(S), probs = as.numeric(tmp), fractions = fractions) :
  NAs introduced by coercion
2: In RV(outcomes = as.character(S), probs = as.numeric(tmp), fractions = fractions) :
  NAs introduced by coercion
       A,A        A,B        A,C        B,A        B,B        B,C        C,A 
0.02493075 0.04155125 0.09141274 0.04155125 0.06925208 0.15235457 0.09141274 
       C,B        C,C 
0.15235457 0.33518006 

discreteRV documentation built on May 30, 2017, 2:21 a.m.