unix

Using csvkit to Summarize Data: A Quick Example

As data analysts, we’re frequently presented with comma-separated value files and tasked with reporting insights. While it’s tempting to import that data directly into R or Python in order to perform data munging and exploratory data analysis, there are also a number of utilities to examine, fix, slice, transform, and summarize data through the command …

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The Command Line is Your Friend: A Quick Introduction

The command line can be a scary place for people who are traditionally accustomed to using point-and-click mechanisms for executing tasks on their computer. While the idea of interacting with files and software via text may seem like a terrifying concept, the terminal is a powerful tool that can boost productivity and provide users with …

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Graphviz by Example: Part One

Introduction GraphViz is an open-source software package developed by AT&T Labs for generating directed graphs and flowcharts. Outputs are created using Dot, a plain text graph description language that is part of the Graphviz package. GraphViz is a powerful application that allows users to create appealing flowcharts without getting hung up on the layout or positioning of the nodes. …

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