2618 search results for "Ggplot2"

How to do a silent install of R

April 30, 2014
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How to do a silent install of R

In this post, I’ll introduce how to do a silent install of R. Assume that you are a faculty member at an R course and need to prepare R environments for each students’ PC. In this case, you can install…Read more ›

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Example of linear regression and regularization in R

April 28, 2014
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When getting started in machine learning, it's often helpful to see a worked example of a real-world problem from start to finish. But it can be hard to find an example with the "right" level of complexity for a novice. Here's what I look for: uses r...

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ggplot with a highcharts taste

ggplot with a highcharts taste

At work I use ggplot2 almost for everything. I really like the mid term between high level (highcharts) and low-level (like d3 for example). The deafult theme for ggplot it's good, and really good if you compare with the old looking R base graphics, and there is more: the ggthemes package which have some themes for ggplot objects....

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Hazardous and Benign Space Objects: Getting the Data

April 28, 2014
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Hazardous and Benign Space Objects: Getting the Data

The recent story about a skydiver nearly being hit by falling meteor got me thinking about all the pieces of rock floating around in near-Earth space. Despite the fact that the supposed meteor was probably just a chunk of rock mistakenly packed in with a parachute, the fact that something like that could actually happen

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Restriction digestion of eukaryotic genomes in R

April 28, 2014
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Restriction digestion of eukaryotic genomes in R

There are multiple desktop tools (Bioedit, Emboss, various basic bioinformatic tools) and browser based tools (NEBcutter, biotools, In silico restriction digestion and various other tools) available for performing restriction digestion of smaller proka...

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Twitter sentiment analysis with R

Twitter sentiment analysis with R

Recently I designed a relatively simple code in R to analyze the content of Twitter posts by using the categories identified as positive, negative and neutral. The idea of processing tweets is based on a presentation http://www.slideshare.net/ajayohri/twitter-analysis-by-kaify-rais. The algorithm evaluates tweets based on the number of positive and negative words in the tweet. The words in the tweet correspond with the words... Read More »

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Project Tycho, Correlation between states

April 27, 2014
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Project Tycho, Correlation between states

In this fourth post on Measles data I want to have a look at correlation between states. As described before, the data is from Project Tycho, which contains data from all weekly notifiable disease reports for the United States dating back to 1888...

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What If You Dig A Hole Through The Earth?

April 26, 2014
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What If You Dig A Hole Through The Earth?

It suddenly struck me that that tiny pea, pretty and blue, was the Earth. I put up my thumb and shut one eye, and my thumb blotted out the planet Earth. I didn’t feel like a giant. I felt very, very small (Neil Armstrong) Where would you come out if you dig a hole straight

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Bandit Formulations for A/B Tests: Some Intuition

April 24, 2014
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Bandit Formulations for A/B Tests: Some Intuition

Controlled experiments embody the best scientific design for establishing a causal relationship between changes and their influence on user-observable behavior. – Kohavi, Henne, Sommerfeld, “Practical Guide to Controlled Experiments on the Web” (2007) A/B tests are one of the simplest ways of running controlled experiments to evaluate the efficacy of a proposed improvement (a new Related posts:

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Preventing escaping in HTML

April 24, 2014
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Preventing escaping in HTML Preventing escaping in HTML library(xtable) ## ## Attaching package: 'xtable'## ## The following objects are masked from 'package:Hmisc':## ## label, label<- library(stringr)library(whisker) Problem statementBeing a novice in R language, the problem I faced maight be a novice one,...

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