Description Usage Arguments Value Author(s) References Examples

The values of `x`

are repeated for each combination
of elements in the vectors supplied via `...`

, with the first
elements of each vector in `...`

being taken as a set, the
second elements as another set, and so on. `x`

is repeated for
each of these sets.

1 |

`x` |
numeric; vector of data points which are to be replicated
for each of the sets of vectors supplied to |

`...` |
additional vector arguments to be expanded to the correct
length. These are taken to be a set of values to be replicated for
each of the elements of |

a matrix of replicated vectors, with column names for `x`

and named arguments passed as `...`

.

Gavin L. Simpson

Minchin P.R. (1987) Simulation of multidimensional
community patterns: towards a comprehensive model. *Vegetatio*
**71**, 145–156.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 | ```
# Recreate Fig. 2 of Minchin (1987)
# Parameters for each of 6 six species
A0 <- c(5,4,7,5,9,8) * 10
m <- c(25,85,10,60,45,60)
r <- c(3,3,4,4,6,5) * 10
alpha <- c(0.1,1,2,4,1.5,1)
gamma <- c(0.1,1,2,4,0.5,4)
# Gradient locations
x <- 1:100
# expand parameter set
pars <- expand(x, m = m, A0 = A0, r = r, alpha = alpha,
gamma = gamma)
head(pars)
``` |

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