Література

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Friedl, Jeffrey. 2006. Mastering Regular Expressions. 3nd ed. O’Reilly Media, Inc.

Wang, Earo, Dianne Cook, and Rob J. Hyndman. 2020. A New Tidy Data Structure to Support Exploration and Modeling of Temporal Data. Journal of Computational and Graphical Statistics. Vol. 29. 3. Taylor & Francis. https://doi.org/10.1080/10618600.2019.1695624.

Wickham, Hadley. 2021. The Tidyverse Style Guide. https://style.tidyverse.org/index.html.