Description Usage Arguments Value See Also Examples

Returns the rank of a matrix `X`

, using the QR decomposition, `QR`

.
Included here as a simple function, because `rank`

does something different
and it is not obvious what to use for matrix rank.

1 | ```
R(X)
``` |

`X` |
a matrix |

rank of `X`

1 2 3 4 5 6 7 8 9 10 11 12 13 14 |

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