# Plot a fANCOVA Object

### Description

To plot a fANCOVA object

### Usage

1 2 | ```
plot.fANCOVA(x, test.statistic = TRUE, main = "", n = 256,
legend.position = "topright", ...)
``` |

### Arguments

`x` |
a fANCOVA object |

`test.statistic` |
if TRUE, plot the density of the test statistic under null hypothesis; if FALSE, plot the estimated curves. |

`main` |
the title of the plot |

`n` |
the number of points that are used to draw the curves or surfaces in the plot. |

`legend.position` |
the position of legend in the plot: “topright”, “topleft”, “bottomright”, “bottomleft”, etc. |

`...` |
control parameters of the plot function |

### Details

This function is to plot a fANCOVA object. The plot will be generated only if the predictor x is one-dimensional. if “test.statistic=TRUE”, a density plot of the test statistic under null hypothesis will be generated; if “test.statistic=FALSE”, the estimated curves for all groups are drawn.

### Author(s)

X.F. Wang wangx6@ccf.org

### See Also

`T.L2`

, `T.aov`

, `T.var`

.

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