How-Tos

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R tip: Create maps in R

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Linux tip: How to use pipes

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Linux tip: How to use the od command

In today’s Linux tip, we’re going to look at the od command, which allows you to look at the content of files.

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R tip: Iterate with purrr's map_df function

In this sixth episode of Do More with R, learn how to apply a function to a vector of values and return a data frame

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Linux tip: How to use the find command

In today’s Linux tip, we look at the find command – a tool that will prove very useful when you’re trying to locate a file or set of files based on almost any criteria.

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2-Minute Linux Tip: How to use the top command

In today’s Linux tip, we’re going to look at top – a favorite tool for examining performance on a Linux system. Want to pinpoint why your Linux system is running slowly? Top can shed a lot of light on that.

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R tip: Save time with RStudio code snippets

In this fifth episode of Do More with R, Sharon Machlis, director of Editorial Data & Analytics at IDG Communications, shows how code snippets work in RStudio—and how you can make your own

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R tip: Easy dashboards with flexdashboard

In this fourth episode of Do More with R, Sharon Machlis, director of Editorial Data & Analytics at IDG Communications, shows how to create dashboards in the R language with the flexdashboard package.

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R tip: Test your code with testthat

In this episode of Do More with R, learn how to automate testing your R functions with Hadley Wickham’s testthat package.

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What is a data scientist? A key data analytics role and a lucrative career

The data scientist role varies depending on industry, but there are common skills, experience, education and training that will give you a leg up in starting your data science career.

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Android data tips that will save you money

Cutting back on your Android data use can make your phone bill plummet, and it's easy to do with a few key tweaks. Ready to start saving?

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R tip: Learn dplyr’s case_when() function

In this second episode of Do More with R, Sharon Machlis, director of Editorial Data & Analytics at IDG Communications, shows how dplyr's case_when() function helps avoid a lot of nested ifelse statements

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R tip: How to create easy interactive scatter plots with taucharts

In this first episode of Do More with R, Sharon Machlis, director of Editorial Data & Analytics at IDG Communications, demonstrates how easy it is to use the R language to create an interactive scatter plot with multiple trendline...

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Android Oreo tips: Learn what your software can do

Google's Android Oreo release is full of fresh flavor for your phone. But some of its most useful touches are all too easy to overlook. Whether you've had Oreo for months or are just now getting a taste, it's time to learn something...

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How to turn your Android phone into a powerful collaboration hub

With the right set of apps, you can turn your Android phone into a collaboration hub — and then stay connected and productive -- wherever you might be.

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How to find handy but hidden Android features

Android's practically overflowing with options, and it's easy to lose track of some useful features along the way. Here are a few handy but hidden capabilities you probably forget to use.

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2-Minute Linux Tip: How to use the mtr command

In today’s Linux tip, we’re going to look at the mtr command and see what it can tell us about network connections. Mtr stands for “my traceroute” and displays the route that a connection to a particular system takes by providing a...

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2-Minute Linux Tip: How to terminate processes

In today’s tip, I’m going to show you how to terminate processes on Linux systems using kill, pkill and killall and show you why it makes a difference which command you choose.

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2-Minute Linux Tip: How to add and delete user accounts

In today’s Linux tip, we’re going to look at the adduser and deluser commands. As the names suggest, they are used to add and delete user accounts on Linux systems.

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2-Minute Linux Tip: Learn how to use the alias command

In today’s 2-minute tip, we’re going to look at the alias command – a tool that can save you a lot of time and trouble and maybe even a few brain cells.

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