Speaking Stata: Front-and-back plots to ease spaghetti and paella problems

• Autores: Nicholas J. Cox
• Localización: The Stata journal, ISSN 1536-867X, Vol. 21, Nº. 2, 2021, págs. 539-554
• Idioma: inglés
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• Resumen

  • The spaghetti problem arises in graphics when multiple time series or other functional traces show mostly a tangled mess. The related paella problem (often experienced but not usually named as such) arises for multiple patterns combined in scatterplots. This column is a sequel to those in Stata Journal 10:

    670–681 (2010) and 19: 989–1008 (2019). The focus is on what are here called front-and-back plots, in which each subset of data is shown separately with the other subsets as backdrop. The strategy is thus a hybrid of two more common strategies, showing each subset separately (juxtaposing) and showing subsets together (superimposing). A new command, fabplot, is introduced and used in examples