# Function for extracting components from a lm object

### Description

Extract the standard error and t-stat of the a-th parameter estimate of a lm object

### Usage

1 |

### Arguments

`lm` |
lm object |

`a` |
The a-th parameter estimate of a linear model regression |

### Value

`se.coef` |
The standard error of the selected coefficient |

`t.stat` |
The t-stat of the selected coefficient |

### Author(s)

Ho Tsungwu <tsungwu@cc.shu.edu.tw>, modifed from Javier Lopez-de-Lacalle

### References

Javier Lopez-de-Lacalle in https://github.com/cran/uroot/blob/master/R/hegy.R

### Examples

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