March 2025
Intermediate to advanced
308 pages
7h 2m
Italian
Content preview from DuckDB: installazione e avvio
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Capitolo 5. Esecuzione di EDA con DuckDB
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A questo punto, dovresti avere una buona padronanza delle basi di DuckDB. Hai visto come caricare i tuoi database DuckDB da dati memorizzati in formati file come CSV e Parquet e hai anche imparato a caricarli da server di database, come MySQL. In questo capitolo applicheremo DuckDB in scenari pratici, utilizzandolo per condurre analisi esplorative dei dati.
L'EDA è un approccio all'analisi e alla visualizzazione di insiemi di dati per riassumerne le caratteristiche principali. L'obiettivo principale dell'EDA è comprendere i modelli, le tendenze e le relazioni all'interno dei dati. Nell'EDA, spesso utilizziamo le seguenti tecniche sui nostri dati:
- Riassunto dei dati
Utilizza le statistiche descrittive (come la media , la mediana, la deviazione standard e altro ancora) per comprendere la distribuzione del set di dati.
- Visualizzazione dei dati
Utilizza librerie come Matplotlib e Seaborn per tracciare vari tipi di grafici (come grafici a barre, a torta e altro) per ispezionare visivamente la distribuzione dei dati e le relazioni tra diversi tipi di dati.
- Identificazione delle tendenze
Identifica i modelli, le tendenze e le anomalie all'interno dei dati e fornisce approfondimenti sui potenziali fattori che influenzano queste osservazioni.
In questo capitolo imparerai a utilizzare DuckDB per esplorare ...
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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.