How-Tos
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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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Node.js tips and tricks
In this explainer video, learn several techniques that can improve your Node development experience.
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2-Minute Linux Tip: Learn how to use the history command
In today's 2-minute Linux Tip, we look at the bash history command – a tool that shows you commands you've recently used and allows you to use them again without having to retype them.
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2-Minute Linux Tip: Learn how to use the logsave command
In today’s 2-minute Linux Tip, we’re going to look at a command that you might never have heard of. It’s called logsave, and it allows you to selectively add command output to a file.
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2-Minute Linux Tip: Learn how to use the ping command
In today’s 2-minute tip, we’re going to look at the ping command – a favorite tool for some very easy troubleshooting.
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7 keys to a successful business intelligence strategy
BI success requires more than just a strong technology platform. It takes laser focus on processes and personnel — and a business-first approach to gaining insights from data.
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