October 2024
Beginner to intermediate
480 pages
14h 51m
Spanish
Content preview from Visualización práctica de datos
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Capítulo 5. Haz comparaciones significativas
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Ahora que has refinado tu historia de datos, mejorado tus habilidades con las hojas de cálculo, encontrado y cuestionado tus datos, y limpiado cualquier parte desordenada en los Capítulos 1, 2, 3 y 4, este capítulo se centra en la pregunta clave que debes hacerte mientras analizas tus pruebas : "¿En comparación con qué?" Así es como el estadístico Edward Tufte definió el "corazón del razonamiento cuantitativo".1 Buscamos hallazgos reveladores en nuestros datos juzgando su importancia entre sí, para identificar los que realmente destacan. A veces necesitamos ajustar nuestra balanza para asegurarnos de que estamos sopesando los datos de forma justa, o como dice el refrán, comparando manzanas con manzanas, no manzanas con naranjas. Antes de comunicar tus conclusiones en cualquier formato -texto, tablas, gráficos o mapas- asegúrate de que estás haciendo comparaciones significativas, porque sin esto, tu trabajo puede carecer de sentido.
Este libro no pretende abarcar el análisis estadístico de datos porque muchos recursos excelentes ya abordan este amplio campo de estudio.2 En su lugar, este capítulo ofrece varias estrategias de sentido común para hacer comparaciones significativas mientras analizas tus datos, para ayudarte a diseñar visualizaciones verdaderas y perspicaces que cuenten tu historia en "Describe con precisión ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.