dbivgeomRoy {bivgeom} R Documentation

## Joint probability mass function

### Description

Joint probability mass function for Roy's bivariate geometric model

### Usage

```dbivgeomRoy(x, y, theta1, theta2, theta3)
```

### Arguments

 `x` vector of values for the first variable X `y` vector of values for the second variable Y `theta1` paramater θ_1 `theta2` paramater θ_2 `theta3` paramater θ_3

### Value

Value of the probability p(x,y):=P(X=x,Y=y).

### Author(s)

Alessandro Barbiero

### References

Roy, D. (1993) Reliability measures in the discrete bivariate set-up and related characterization results for a bivariate geometric distribution, Journal of Multivariate Analysis 46(2), 362-373.

### See Also

`FbivgeomRoy`

### Examples

```dbivgeomRoy(x=2, y=0, theta1=0.7, theta2=0.2, theta3=0.8)
dbivgeomRoy(0:5, y=0, theta1=0.7, theta2=0.2, theta3=0.8)
# these are p(0,0), p(1,0), ..., p(5,0)
dbivgeomRoy(0:2, 1:3, theta1=0.7, theta2=0.2, theta3=0.8)
# these are p(0,1), p(1,2), p(2,3)
```

[Package bivgeom version 1.0 Index]