Book Image

Hands-On Data Science with the Command Line

By : Jason Morris, Chris McCubbin, Raymond Page
Book Image

Hands-On Data Science with the Command Line

By: Jason Morris, Chris McCubbin, Raymond Page

Overview of this book

The Command Line has been in existence on UNIX-based OSes in the form of Bash shell for over 3 decades. However, very little is known to developers as to how command-line tools can be OSEMN (pronounced as awesome and standing for Obtaining, Scrubbing, Exploring, Modeling, and iNterpreting data) for carrying out simple-to-advanced data science tasks at speed. This book will start with the requisite concepts and installation steps for carrying out data science tasks using the command line. You will learn to create a data pipeline to solve the problem of working with small-to medium-sized files on a single machine. You will understand the power of the command line, learn how to edit files using a text-based and an. You will not only learn how to automate jobs and scripts, but also learn how to visualize data using the command line. By the end of this book, you will learn how to speed up the process and perform automated tasks using command-line tools.
Table of Contents (8 chapters)

Analyzing weather data in bash

The National Weather Service has an API to get weather data: https://forecast-v3.weather.gov/documentation . The API delivers forecast data over a lightweight HTTP interface. If you pass the correct URL and parameters to the web endpoint, the service will return JSON-formatted weather data. Let's take a look at an example of some data exploration we can do with this rich dataset.

The NWS provides both current weather data and forecasts. Let's say I'd like to see just how accurate NWS forecasts are. I'd like to do this over some amount of time, say a week. I'd like to save tomorrow's forecast, and then later on, compare those forecasts to what the temperature really was. For this example, let's look at the forecast highs, and the actual high temperatures. I'd like to do this for a single point in lat-lon.

Our...