Introduction.

In this research, an analysis of the potentialities and applicability of the main open source statistical analysis tools, existing so far in the field of scientific research, was carried out, in order to contribute to promoting their use by Cuban researchers.

Methods.

A literature review was carried out; the synthetic analytical method and the logical historical one, as well as theoretical triangulation and documentary analysis were used as scientific methods.

Results and Discussion.

A result was that there is scarce use of free solutions for statistical analysis in scientific research published by Cuban authors in journals of Scielo Cuba catalog during the period 2015-2020. A comparative analysis of the free solutions GNU/Octave, GNU-PSPP, the computer environment R, and the commercial tool IBM SPSS was carried out, which evidenced the viability and superiority of the R environment for the statistical treatment of data and its graphic representation in scientific research.

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