# CV

From forecast v8.9
by Rob Hyndman

##### Cross-validation statistic

Computes the leave-one-out cross-validation statistic (also known as PRESS -- prediction residual sum of squares), AIC, corrected AIC, BIC and adjusted R^2 values for a linear model.

- Keywords
- models

##### Usage

`CV(obj)`

##### Arguments

##### Value

Numerical vector containing CV, AIC, AICc, BIC and AdjR2 values.

##### See Also

##### Examples

```
# NOT RUN {
y <- ts(rnorm(120,0,3) + 20*sin(2*pi*(1:120)/12), frequency=12)
fit1 <- tslm(y ~ trend + season)
fit2 <- tslm(y ~ season)
CV(fit1)
CV(fit2)
# }
```

*Documentation reproduced from package forecast, version 8.9, License: GPL-3*

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