September 2024
Intermediate to advanced
424 pages
13h 3m
Spanish
book
Planos para el análisis de textos con Python
by Jens Albrecht, Sidharth Ramachandran, Christian Winkler
Content preview from Planos para el análisis de textos con Python
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.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.
Capítulo 1. Obtención de las primeras percepciones a partir de datos textuales
Este trabajo se ha traducido utilizando IA. Agradecemos tus opiniones y comentarios: translation-feedback@oreilly.com
Una de las primeras tareas de todo proyecto de análisis de datos y aprendizaje automático es familiarizarse con los datos. De hecho, siempre es esencial tener un conocimiento básico de los datos para obtener resultados sólidos. Las estadísticas descriptivas proporcionan perspectivas fiables y sólidas y ayudan a evaluar la calidad y la distribución de los datos.
Al considerar los textos, el análisis de frecuencias de palabras y frases es uno de los principales métodos de exploración de datos. Aunque las frecuencias absolutas de las palabras no suelen ser muy interesantes, las frecuencias relativas o ponderadas sí lo son. Al analizar un texto sobre política, por ejemplo, las palabras más frecuentes probablemente contendrán muchos términos obvios y poco sorprendentes, como pueblo, país, gobierno, etc. Pero si comparas las frecuencias relativas de palabras en textos de distintos partidos políticos o incluso de políticos del mismo partido, puedes aprender mucho de las diferencias.
Lo que aprenderás y lo que construiremos
Este capítulo presenta los planos para el análisis estadístico de texto. Te permite empezar rápidamente e introduce conceptos básicos que necesitarás conocer en capítulos posteriores. Empezaremos analizando metadatos categóricos y luego nos centraremos en el análisis y ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.