# Compute interval sizes

### Description

Compute the size, in either Z or R as appropriate, for each interval in an interval matrix.

### Usage

1 2 3 4 5 |

### Arguments

`x` |
An |

`as` |
Should the intervals be thought of as in Z or R? This is usually
determined automatically from the |

### Details

For type `"Z"`

objects, counting measure; for type `"R"`

objects, Lebesgue measure. For type `"Z"`

objects, intervals of
form (*a*,*a*] and (*a*,*a*) are both of length
0.

### Value

A numeric vector with length equal to `nrow(x)`

.

### See Also

See `empty`

to identify empty intervals. Note that when
`type(x) == "R"`

, a size of 0 does not imply that an interval is
empty.

### Examples

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 | ```
z1 <- Intervals( cbind( 1, 1:3 ), type = "Z" )
z2 <- z1; closed(z2)[1] <- FALSE
z3 <- z1; closed(z3) <- FALSE
size(z1)
size(z2)
size(z3)
r1 <- z1; type(r1) <- "R"
r2 <- z2; type(r2) <- "R"
r3 <- z3; type(r3) <- "R"
size(r1)
size(r2)
size(r3)
s1 <- Intervals_full( matrix( 1, 3, 2 ), type = "Z" )
closed(s1)[2,2] <- FALSE
closed(s1)[3,] <- FALSE
size(s1)
``` |

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