data analytics

Sentiment Analysis using Python Vader

Sentiment analysis is a process of determining whether the given emotion (text) is postivie, negative or neutral. Sentiment Analysis is useful in identifying customers emotions for a service or product. In this article we will perform sentiment analysis on restaurant reviews. VADER(Valence Aware Dictionary and sEntiment Reasoner) is a lexicon and rule-based sentiment analysis tool that is specifically attuned to sentiments expressed in social media. VADER is built on Python.

Reading CSV File in Python

When it comes to data processing, Python comes first. The complex task in data processing is creating structured data called data lake from various sources like files, databases, logs, audio, video etc. Python comes with common file processing packages as part of its distribution. In this article we will use `csv` and `pandas` packages to read CSV files.

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