436 search results for "boxplot"

R 101 – Aggregate By Quarter

July 14, 2015
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R 101 – Aggregate By Quarter

We were asked a question on how to (in R) aggregate quarterly data from what I believe was a daily time series. This is a pretty common task and there are many ways to do this in R, but we’ll focus on one method using the zoo and dplyr packages. Let’t get those imports out of the way: library(dplyr) library(zoo) library(ggplot2) Now, we need...

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How to make a rough check to see if your data is normally distributed

July 11, 2015
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How to make a rough check to see if your data is normally distributed

Now then, in the previous article I wrote about hypothesis testing with data that is normally distributed, in this article I’m going to post some quick test you can do to check if it is fairly safe to assume your data is normal. I would like to highlight the fact that you can never be 100% sure that...

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R Package to access the Open Movie Database (OMDB) API

July 10, 2015
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R Package to access the Open Movie Database (OMDB) API

It’s not on CRAN yet, but there’s a devtools-installable R package for getting data from the OMDB API. It covers all of the public API endpoints: find_by_id: Retrieve OMDB info by IMDB ID search find_by_title: Retrieve OMDB info by title search get_actors: Get actors from an omdb object as a vector get_countries: Get countries from

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Taking cricketr for a spin – Part 1

July 6, 2015
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Taking cricketr for a spin – Part 1

“Curiouser and curiouser!” cried Alice “The time has come,” the walrus said, “to talk of many things: Of shoes and ships – and sealing wax – of cabbages and kings” “Begin at the beginning,”the King said, very gravely,“and go on till you come to the end: then stop.” “And what is the use of a

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Taking cricketr for a spin – Part 1

July 6, 2015
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Taking cricketr for a spin – Part 1

“Curiouser and curiouser!” cried Alice “The time has come,” the walrus said, “to talk of many things: Of shoes and ships – and sealing wax – of cabbages and kings” “Begin at the beginning,”the King said, very gravely,“and go on till you come to the end: then stop.” “And what is the use of a

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Introducing cricketr! : An R package to analyze performances of cricketers

July 4, 2015
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Introducing cricketr! : An R package to analyze performances of cricketers

Yet all experience is an arch wherethro’ Gleams that untravell’d world whose margin fades For ever and forever when I move. How dull it is to pause, to make an end, To rust unburnish’d, not to shine in use! Ulysses by Alfred Tennyson Introduction This is an initial post in which I introduce a cricketing

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Introducing cricketr! : An R package to analyze performances of cricketers

July 4, 2015
By
Introducing cricketr! : An R package to analyze performances of cricketers

Yet all experience is an arch wherethro’ Gleams that untravell’d world whose margin fades For ever and forever when I move. How dull it is to pause, to make an end, To rust unburnish’d, not to shine in use! Ulysses by Alfred Tennyson Introduction This is an initial post in which I introduce a cricketing

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From cats to zombies, Wednesday at useR2015

July 1, 2015
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From cats to zombies, Wednesday at useR2015

The morning opened with someone who I was too bleary eyed to work out who it was. Possibly the dean of the University of Aalborg. Anyway, he said that this is the largest ever useR conference, and the first ever in a Nordic country. Take that, Norway! Also, considering that there are now quite a

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Stop the madness – no more pie charts

July 1, 2015
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Stop the madness – no more pie charts

There has been a trend in the last few years to put interesting-looking but non-informative figures in papers; the pie chart is the worst recurrent offender.  I have no idea how they keep getting included, as they’re famously misleading and awful.  I want my work to look as much like the cockpit of a mecha or … Continue reading...

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Visualization and Analysis of Reddit’s "The Button" Data

June 15, 2015
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Visualization and Analysis of Reddit’s "The Button" Data

IntroductionPeople are weird. And if there's anything that's greater collective proof of this fact than Reddit, you'd be hard pressed to find it.I tend to put reddit in the same bucket as companies like Google, Amazon and Netflix, where they have enoug...

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