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Improving flexibility and ease of matrix subsetting: The submatrix command

Author

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  • Daniele Spinelli

    (University of Milano–Bicocca)

Abstract

Matrix manipulation in Stata can be a time-consuming and tedious task, especially when it is necessary to subset or rearrange elements from large matrices based on nonconsecutive elements. Compared with Mata, these tasks require more time, more code, and sometimes more complex output. The purpose of this article is to introduce submatrix, a command to manipulate matrix elements using row (and column) names, numbers, and equations.

Suggested Citation

  • Daniele Spinelli, 2023. "Improving flexibility and ease of matrix subsetting: The submatrix command," Stata Journal, StataCorp LP, vol. 23(4), pages 1045-1056, December.
    • Handle: RePEc:tsj:stataj:v:23:y:2023:i:4:p:1045-1056
    DOI: 10.1177/1536867X221141012
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