# xyVector

##### Construct an `xyVector`

Object

Create an object to represent a set of x-y pairs. The resulting
object can be treated as a matrix or as a data frame or as a vector.
When treated as a vector it reduces to the `y`

component only.

The result of functions such as `predict.spline`

is returned as
an `xyVector`

object so the x-values used to generate the
y-positions are retained, say for purposes of generating plots.

- Keywords
- models

##### Usage

`xyVector(x, y)`

##### Arguments

- x
a numeric vector

- y
a numeric vector of the same length as

`x`

##### Value

An object of class `xyVector`

with components

a numeric vector

a numeric vector of the same length as `x`

##### Examples

`library(splines)`

```
# NOT RUN {
require(stats); require(graphics)
ispl <- interpSpline( weight ~ height, women )
weights <- predict( ispl, seq( 55, 75, length.out = 51 ))
class( weights )
plot( weights, type = "l", xlab = "height", ylab = "weight" )
points( women$height, women$weight )
weights
# }
```

*Documentation reproduced from package splines, version 3.5.2, License: Part of R 3.5.2*

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