R: Random samples from univariate Davidian curves

rdc {dcurver} | R Documentation

## Random samples from univariate Davidian curves

### Description

Returns n samples from a univariate Davidian curve.

### Usage

    rdc(n, phi)

### Arguments

`n` | Number of observations to be sampled.
`phi` | Davidian curve parameters. A maximum of 10 parameters is allowed.

### Examples

    # Sample from the standard normal Davidian curve:
    hist(rdc(1000, 1.570789), xlim = c(-6, 6), ylim = c(0, 0.5), freq = FALSE, breaks = 20)
    curve(dnorm(x), -6, 6, col = "blue", lwd = 1, add = TRUE)
    curve(ddc(x, 1.570789), -6, 6, col = "red", lwd = 2, lty = 3, add = TRUE)

    # Sample from a bimodal density:
    phi <- c(77.32, 78.51, 76.33, 77.16)
    hist(rdc(1000, phi), xlim = c(-6, 6), ylim = c(0, 0.4), freq = FALSE, breaks = "fd")
    curve(ddc(x, phi), -6, 6, col = "red", lwd = 2, lty = 3, add = TRUE)

[Package dcurver version 0.9.2 Index]