1892 search results for "tutorial"

R Tutorial: Visualizing Multivariate Relationships in Large Datasets

February 6, 2017
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R Tutorial: Visualizing Multivariate Relationships in Large Datasets

R Tutorial: Visualizing multivariate relationships in Large Datasets A tutorial by D.M. Wiig In two previous blog posts I discussed some techniques for visualizing relationships involving two or three variables and a large number of cases. In this tutorial I will extend that discussion to show some techniques that can be used on large datasets … Continue...

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Tutorial: How to set up a Twitter bot using R

February 2, 2017
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Tutorial: How to set up a Twitter bot using R

On occasion of the 10,000th R package on CRAN, eoda operated an automated Twitter account which regularly posted the current number of packages available on CRAN until the 10,000-package milestone has been passed on January 28, 2017. #Rstatsgoes10k – Hello World, it’s 2017-01-28 01:59:03 and currently there are 10000 packages on CRAN. — eodacelebratesR (@Rstatsgoes10k) …

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Bioinformatics Tutorial with Exercises in R (part 1)

January 22, 2017
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Bioinformatics Tutorial with Exercises in R (part 1)

Bioinformatics is an interdisciplinary field of study that combines the field of biology with computer science to understand biological data. Bioinformatics is generally used in laboratories as an initial or final step to get the information. This information can subsequently be utilized for the wet lab practices. However, it can also be used as a

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Brief tutorial to perform descriptive statistics using R with two examples.

January 3, 2017
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Brief tutorial to perform descriptive statistics using R with two examples.

Using a pair of databases we will do a brief and basic analysis of descriptive statistics using R.At the end of the article you can find the corresponding links to get both the script and the databases so that you can perform the exercise. Install and load the packages we are going to useinstall.packages("sm")install.packages("plotrix")library(sm)library(plotrix)library(grDevices)...

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Tutorial: Build a live rental prediction service with SQL Server R Services

November 23, 2016
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Tutorial: Build a live rental prediction service with SQL Server R Services

A great way to learn is by doing, so if you've been thinking about how to enable R-based computations within SQL Server, a new tutorial will take you through all the steps of building an intelligent application. In a few simple steps, you'll set up all the necessary software and code to build a live service that predicts demand...

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An extensive tutorial of D3partitionR 0.2

November 20, 2016
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An extensive tutorial of D3partitionR 0.2

Basis and principle of D3partitionR D3partitionR is to plot sequential and hierarchical data using treemap (and circle Tree Map), sunburst and partition chart, collapsible trees (indented or not). The package only has one all-in function called D3partitionR(…) to create a partition chart. Two others functions as renderD3partitionR(…) and D3partitionROutput(…) are used to render partition charts in

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A Free Interactive Plotly R Tutorial

November 9, 2016
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A Free Interactive Plotly R Tutorial

Did you know last month over 23,000 (!) R enthusiasts directly downloaded the Plotly R package? In case you were not one of them, the Plotly package is one of the best R tools to create beautiful, interactive data visualizations as proven by these exa...

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Make A Box Plot with Single Column Data Using Ggplot2 Tutorial

November 7, 2016
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Make A Box Plot with Single Column Data Using Ggplot2 Tutorial

Last week I had my class practice making a box plot using the data on page 66 in The Practice of Statistics 4th Edition (TPS 4ed) text book. I’m still going over the details of making a box plot with just a single vector or variable of data. Many of the problems in our textbook

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Quantitative Stock Analysis Tutorial: Screening the Returns for Every S&P500 Stock in Less than 5 Minutes

October 22, 2016
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Quantitative Stock Analysis Tutorial: Screening the Returns for Every S&P500 Stock in Less than 5 Minutes

Quantitative trading strategies are easy to develop in R if you can manage the data workflow. In this post, I analyze every stock in the S&P500 to screen in terms of risk versus reward. I’ll show you how to use quantmod to collect daily stock pri...

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Tidyverse Tutorial

October 17, 2016
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Last week, I gave an overview of bunch of tidyverse packages (tibble, dplyr, tidyr, ggplot, readr, purrr) to the Davis R-Users’ Group. Here is that talk (and since videos don’t display everywhere this blog is syndicated, here is the YouTube link). ...

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