3149 search results for "Ggplot"

The World We Live In #5: Calories And Kilograms

August 19, 2015
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The World We Live In #5: Calories And Kilograms

I enjoy doing new tunes; it gives me a little bit to perk up, to pay a little bit more attention (Earl Scruggs, American musician) I recently finished reading The Signal and the Noise, a book by Nate Silver, creator of the also famous FiveThirtyEight blog. The book is a very good reading for all … Continue reading...

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Building Barplots with Error Bars

August 17, 2015
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Building Barplots with Error Bars

Bar charts are a pretty common way to represent data visually, but constructing them isn’t always the most intuitive thing in the world. One way that we can construct these graphs is using R’s default packages. Barplots using base R Let’s start by viewing our dataframe: here we will be finding the mean miles per

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Yet another post on google scholar data analysis

August 16, 2015
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Yet another post on google scholar data analysis

Inspired by this post, I wanted to use Google Scholar data to put nice images on my professional website (girly habit). This post explains how I combined the functions available in the R package scholar with additional analyses (partially inspired from the script available at this link, which in my case results in a cannot

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Managing longitudinal data: Conversion between the wide and the long

August 16, 2015
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Managing longitudinal data: Conversion between the wide and the long

If you measure the same person twice, you have longitudinal data. We all love longitudinal data because we can understand how their health outcomes change with time and this helps answering many interesting research questions. However, newer R users often face a problem in managing longitudinal data because it often comes in two ‘shapes': the

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The Rise of the Robots (Advisors…)

August 15, 2015
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The Rise of the Robots (Advisors…)

The Asset Management industry is on the verge of a major change. Over the last couple of years Robots Advisors (RA) have emerged as new players. The term itself is hard to define as it encompasses a large variety of services. Some are designed to help traditional advisers to better allocate their clients money and some are

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Importing the New Zealand Income Survey SURF

August 14, 2015
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Importing the New Zealand Income Survey SURF

The quest for income microdata For a separate project, I've been looking for source data on income and wealth inequality. Not aggregate data like Gini coefficients or the percentage of income earned by the bottom 20% or top 1%, but the sources used to calculate those things. Because it's sensitve personal financial data either from surveys or tax...

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Survival Analysis – 2

August 13, 2015
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In my previous post, I went over basics of survival analysis, that included estimating Kaplan-Meier estimate for a given time-to-event data. In this post, I'm exploring on Cox's proportional hazards model for survival data. KM estimator helps in figuri...

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Using Google Analytics with R

August 13, 2015
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For the most part, SMB’s tend to utilize free analytics solutions like Google Analytics for their web and digital strategy. A powerful platform in its own right, it can be combined with the R to create custom visualizations, deep dives into data, and statistical inferences. This article will focus on the usage of R and The post

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R News From JSM 2015

August 13, 2015
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R News From JSM 2015

by Joseph Rickert We can declare 2015 the year that R went mainstream at the JSM. There is no doubt about it, the calculations, visualizations and deep thinking of a great many of the world's statisticians are rendered or expressed in R and the JSM is with the program. In 2013 I was happy to have stumbled into a...

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Showing a distribution over time: how many summary stats?

August 13, 2015
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Showing a distribution over time: how many summary stats?

I saw this nice graph today on Twitter, by Thomas Forth: but the more I looked at it, the more I felt it was hard to understand the changes over time across the income distribution from the Gini coefficient and … Continue reading →

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