# Plot a cox.ridge or cox.dynamic.ridge object.

### Description

Plots time varying effects of covariates.

### Usage

1 2 | ```
comp.graph(obj, alpha = 0.05, xlab = "time", ylab = "X effect",
all.terms = TRUE, variable)
``` |

### Arguments

`obj` |
A |

`alpha` |
The alpha level used for confidence bands. |

`xlab` |
a title for the x axis |

`ylab` |
a title for the y axis |

`all.terms` |
When TRUE all time-varying effects variables are plotted. |

`variable` |
when all.terms=FALSE you need to specify which variable to be plotted. Use numbers 1,2,3... for first, second, third etc. |

### Details

Confidence bands are computed using the delta method.

### References

Perperoglou A, le Cessie S, van Houwelingen HC (2006). *Reduced-rank hazard regression for modelling non-proportional hazards*. Statistics in Medicine: 25, 2831-2845

### See Also

`plot`

### Examples

1 2 3 4 5 6 7 8 9 |