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From |
Jean-Benoit Hardouin <[email protected]> |

To |
[email protected] |

Subject |
Re: st: use of a distance matrix for cluster analysis in STATA |

Date |
Mon, 20 Jun 2005 11:08:07 +0200 |

Dear Jochen,

With Stata 8, it is not possible to use a distance matrix in a cluster command: you must program your cluster algorithm manually. With Stata 9, it is possible to use the clustermat command.

Jean-Benoit

Jochen Siegele a �crit :

Dear all, thanks a lot for your help and comments.

We have a relatively small number of objects, around 20. Hence the raw data matrix is a 1.4 mio x 20 matrix with binary data.

By an external programme we have calculated a 20x20 distance matrix.

After importing the 20x20 distance matrix into STATA, STATA seems to interpret the imported matrix as raw data matrix and not as a distance matrix.

Hence STATA seems to calculate a further distance matrix based on the important distance matrix and does not seem be able to accept the imported matrix as a distance matrix.

Is there any possibility telling STATA that the imported matrix is a distance matrix and not a raw data matrix?

We use STATA 8.1 for our calculations.

Thanks a lot for any help.

Jochen Siegele

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**References**:**st: use of a distance matrix for cluster analysis in STATA***From:*Jochen Siegele <[email protected]>

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