R Data Science Code Challenges

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Mark Niemann-Ross

44:33

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[1] Introduction

[1] Practice with R programming.mp4

00:53

[2] 1. Import Data

[1] Import the World Population database.mp4

02:19

[2] tryCatch().mp4

02:53

[3] Excel.mp4

03:01

[4] JSON.mp4

03:08

[3] 2. Clean Data

[1] Password validator.mp4

03:33

[2] Subsetting.mp4

03:02

[3] Join two datasets.mp4

02:53

[4] 3. Manipulate Data

[1] Use SQL with R.mp4

02:05

[2] Tidyverse.mp4

02:45

[3] Restore missing data.mp4

03:02

[4] Create a random door code.mp4

03:57

[5] 4. Visualize Data

[1] Play Rock, Paper, Scissors, Lizard, Spock in R.mp4

03:10

[2] Build a word cloud.mp4

02:40

[3] Use clustering to show relationships.mp4

01:48

[6] 5. Work with R Packages

[1] Tell a joke.mp4

03:24

Description

Want to test—and develop—your R data-engineering skills? Join instructor Mark Niemann-Ross in this Code Challenges course as he presents short, bite-sized challenges you can use to practice R programming. Each video is less than four minutes and self-contained, so you can skip around and watch the videos in any order. Mark shares his solutions for every problem, most of which contain fewer than 10 lines of code. Whether you’re a new programmer looking to practice, or an experienced developer who wants to work on some challenges, this short course will give you a chance to sharpen your skills.

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R Programming

Mark Niemann-Ross

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I’m friends with technology. But I’m not blindly in love with it. I ask it questions. I explain it. I prioritize people over technology. Bigger, better, and faster features make shinier products, but that isn’t what people want. People don’t want widgets, they want elegance and relevance. I’m an educator, manager, evangelist, marketer, technologist, futurist, coder. I point to the future. I explain the present. I learn from the past. People speak different languages: marketing, sales, engineering, management, strategy. I’m fluent in all of those. Sometimes I’m abrupt. Sometimes I apologize. I’m passionate, but willing to believe I’m wrong. I try to inform myself. “Why” is my favorite question, followed by “When.” I write science fiction. Sometimes it’s about spaceships, sometimes it’s about products. The goal is the same; explain where we want to be, point out hazards, celebrate arrival. I’m engaging. Informed. Opinionated. Respectful. Your thoughts?

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