1799 search results for "tutorial"

Search and draw cities on a map using OpenStreetMap and R

June 28, 2014
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Search and draw cities on a map using OpenStreetMap and R

(this tutorial can also by used dummies in geography...) This tutorial explains how to build a map from a matrix containing city names and corresponding country codes, as well as, eventually a frequency attached to each country. The script first find thanks to the nice open projet Open Street Map the coordinates of the corresponding

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Tailoring univariate probability distributions

June 26, 2014
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Tailoring univariate probability distributions

This post shows how to build a custom univariate distribution in R from scratch, so that you end up with the essential functions: a probability density function, cumulative distribution function, quantile function and random number generator. In the beginning all you need is an equation of the probability density function, … Continue reading →

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Cleaning up oversized github repositories for R and beyond

June 25, 2014
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Cleaning up oversized github repositories for R and beyond

The version control system Git is an amazing piece of software for tracking every change that you make to a project and saving its entire history. It is incredibly useful, for users of R and other programming languages, leading it shoot from 0 market share in 2005 (when it was first released) to market domination in one short decade. However, Git can cause confusion....

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Come see RStudio at UseR! 2014

June 24, 2014
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Come see RStudio at UseR! 2014

The R User Conference 2014 is coming up fast in Los Angeles! RStudio will be there in force to share the latest enhancements to shiny, ggvis, knitr, dplyr. R markdown, packrat and more.  Here’s a quick snapshot of our scheduled sessions. We hope to see you in as many of them as you can attend! Monday,

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Performing ANOVA Test in R: Results and Interpretation

June 23, 2014
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Performing ANOVA Test in R: Results and Interpretation

When testing an hypothesis with a categorical explanatory variable and a quantitative response variable, the tool normally used in statistics is Analysis of Variances, also called ANOVA.In this post I am performing an ANOVA test using the R programming language, to a...

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Rcpp11 conference marathon

June 19, 2014
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Rcpp11 conference marathon

This is going to be a busy start of summer for me and Rcpp11. I will start by a talk at the 3rd rencontres R in Montpellier on June 26th. Then, over to Bressanone in the italian alps for DSC2014 where I'll give another talk on the next day (June 27th). Then,...

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Free Geometric Mophometrics – a Summary

June 18, 2014
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I have seen a few questions floating around the interwebs recently from people starting up in morphometrics and wondering what is the best software to use. I am inspired by my fellow 3D expert Dr. Peter Falkingham's blog post on free sof...

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Who wants to learn R? Sharing DataCamp’s user stats and insights.

June 16, 2014
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Who wants to learn R? Sharing DataCamp’s user stats and insights.

When building an online education start-up for R the number one criterion to meet is the following: identify an increasing interest in learning R online. Once this box is checked, it is time to start thinking of the second most important criterion: establish a teaching approach that makes people so excited that they keep coming back to learn more,

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R now will keep children away from drugs

June 16, 2014
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R now will keep children away from drugs

Do you find this plot fancy? If yes, you can find the code at the end of this article BUT if you spend a little time to read it thoroughly, you can learn how to create better ones. We would…Read more ›

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Visualizing Bus Stops with rCharts

June 11, 2014
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I wanted to create a quick visualization of Bloomington IL bus stops. This data is in pdf file format spread across multiple files. The first step, before any mapping can occur, is downloading those files, parsing them to get the bus stop locations and...

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