Description Usage Arguments See Also Examples

Function Not intended for user. Returns an object of class "urq" that represents an Unconditional Quantile Regression Fit.

1 |

`data` |
a data.frame in which to interpret the variables named in the formula |

`tau` |
the quantile(s) to be estimated, this must be a number (or a vector of numbers) strictly between 0 and 1. |

`formula` |
a formula object, with the response on the left of a ~ operator, and the terms, separated by + operators, on the right. |

`kernel` |
a character string giving the smoothing kernel to be used. This must match one of "gaussian", "rectangular", "triangular", "epanechnikov", "biweight", "cosine" or "optcosine", with default "gaussian". |

`cluster` |
column name of variable to be used in order to obtain cluster robust standard errors. |

1 |

```
Loading required package: Hmisc
Loading required package: lattice
Loading required package: survival
Loading required package: Formula
Loading required package: ggplot2
Attaching package: 'Hmisc'
The following objects are masked from 'package:base':
format.pval, round.POSIXt, trunc.POSIXt, units
Loading required package: gtools
NULL
```

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