If you are using TextMate and you want to run an R script using cmd + R, you will first need to configure the editor. Here's how: Step 1 - Install R Bundles Go to Preferences > Bundles and select: "R", "R Console (R.app)" and "
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Annuities are cool. They're fixed payments over a period of time. If you're living in England, there's another financial product called a consol that is an annuity that pays out in perpetuity. Amazing. Below are simplified examples of how to calculate present value and future value for annuities. I wasn't
Suppose you wanted to calculate the percentage of men that weigh inbetween 140 and 170 lbs. This is possible if you carry a few data points such as the average weight of men (mean), the standard deviation, and the specific weight you want to measure (data point). Step 0 -
How to encrypt a USB thumb drive with HSF+ (Journaled) using Disk Utility and Terminal. WARNINGThis article will teach you how to encrypt your drive as HFS+ (Journaled). Do not follow these steps if you want to encrypt using APFS. Step 1 - Insert a USB drive and Open up
Shiny is a package within R that helps data scientists and developers create interactive web applications. Are you a data scientist who knows R but can't figure out how React, Angular, or Vue JS? Then this is the framework for you. How does Shiny Work? Shiny borrows from the reactive
Setting Up Your Environment Before you can start using R, you'll need to install it. Here's how to install R on a Mac using Homebrew Dataframes What makes R really powerful is this concept of Dataframes. Dataframes the objects used to represent tables including observations and variables (aka rows and
If you store files using Amazon Glacier, you'll notice that it's not very easy to restore files within a folder using the web console. Instead, you'll see "Initiate Restore" greyed out. I've found the easiest way to restore a directory full of files is through the AWS Command Line. If
Run HTML5 Boilerplate code from a web server within seconds.