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All Blog Posts Tagged 'R' (93)

Journey to the Center of the DrugBank XML Database - part 1

Objective

In this tutorial, we shall take a journey together to explore the structure of the DrugBank database. We will observe how the drugs information is structured within DrugBank’s XML database and see how this information can be retrieved using R. Our main purpose here is parsing the database from its containing XML file. Let us…

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Added by Mohammed Ali on January 14, 2019 at 9:31am — No Comments

Tutorial: Measuring Holiday Spirit with Pivot Billions and R

Combining Pivot Billions with R to dive into whether the holiday spirit inspires bigger tips and which parts of New York experience this effect the most.…

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Added by Benjamin Waxer on January 14, 2019 at 7:04am — No Comments

The Ultimate R Cheat Sheet - Major Upgrade

The Ultimate R Cheat Sheet simply put makes it easy to learn R. The Ultimate R Cheat Sheet saves you time by providing hyperlinks to the documentation and package-level cheat sheets for the most important packages in R. The latest update doubles its ultimateness by providing a second page that includes Special Topics:

  • Time Series, Forecasting, and Financial…

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Added by Matt Dancho on January 7, 2019 at 3:00am — No Comments

The Ultimate R Cheatsheet

The Ultimate R Cheatsheet

We are developing a revolutionary new system for teaching Business Analysis with R (Business Analysis with R is a new course we are developing at Business Science University). The system is revolutionary for a number of reasons (we’ll get to these in a minute). The cornerstone of our teaching process is the Data Science with R Workflow that was originally taught by Hadley Wickham and Garrett Grolemund in the excellent…

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Added by Matt Dancho on November 5, 2018 at 3:30am — No Comments

How to Write an R Function to Match and Merge 2 Files (like VLOOKUP)

Matching and merging 2 files is task I find myself doing all of the time. Historically, I've used VLOOKUP in MS Excel and just worked around any limitations. Finally, I bit the bullet and wrote an R Function that does the trick faster, and with more flexibility. 

(Image added…

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Added by Ray Hall on October 18, 2018 at 9:30am — No Comments

Python Vs R : The Eternal Question for Data Scientists

Python and R are the two most commonly used languages for data science today. They are both fully open source products and completely free to use and modify as required under the GNU public license.

But which one is better? And, more importantly, which one should you learn?

Both are widely used and are standard tools in the hands of every data scientist.

The answer may surprise you – because as a professional data scientist, you should be ready to deal with…

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Added by Divya Singh on October 2, 2018 at 6:15am — 1 Comment

Free eBooks from Packt

TensorFlow 1.x Deep Learning Cookbook

By Antonio Gulli, Amita Kapoor

Take the next step in implementing various common and not-so-common neural networks with Tensorflow 1.x

In this book, you will learn how to efficiently use TensorFlow, Google's open…

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Added by Packt Publishing on September 27, 2018 at 1:06am — 1 Comment

Getting Started with NLP: Simple Topic Modeling in R (Part 1)

What is NLP?

Natural Language Processing (NLP) can be simply defined as teaching an algorithm to read and analyze human (natural) languages just like the human brain does, but a lot faster than a human could, more accurately and on very large amounts of data.

It is a great skill to have if you are an aspiring data scientist or data analyst because has…

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Added by Aymone Kouame on August 11, 2018 at 2:00pm — No Comments

How to Execute R and Python in SQL Server with Machine Learning Services

Introduction

Did you know that you can write R and Python code within your T-SQL statements? Machine Learning Services   in SQLServer eliminates the need for data movement. Instead of transferring large and sensitive data over the network or losing accuracy with sample csv files, you can have your R/Python code execute within your database. Easily deploy your R/Python code with SQL stored procedures making them accessible in your…

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Added by Kyle Weller on June 4, 2018 at 7:00am — 4 Comments

Free eBooks on Hadoop, Deep Learning and DataViz by Packt

R Deep Learning Essentials

By Joshua F. Wiley

Get everything you need to know to enter the world of deep learning when it comes to R with this book. Get started from the packages you need to have for your side,…

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Added by Packt Publishing on May 15, 2018 at 10:00pm — No Comments

A guide to manipulating, analyzing, and visualizing data in R

R has spread deep into the private sector and can be found in the production pipelines at some of the most advanced and successful enterprises. 

Learn the fundamentals of data analysis in the second edition of Data Analysis with R, authored by data scientist…

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Added by Packt Publishing on May 8, 2018 at 10:30pm — No Comments

A Comprehensive List Of R Packages For Portfolio Analysis

R language is a free statistical computing environment; hence there are multiple ways/packages to achieve a particular statistical/quantitative output. I am going to discuss here a concise list of R packages that one can use for the modeling of financial risks and/or portfolio optimization with utmost efficiency and effectiveness. The intended audience for this article is financial market analysts interested in using R, and also for quantitatively inclined folks…

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Added by Ranjit Mishra on April 28, 2018 at 2:30am — No Comments

Cluster.OBeu v1.2.1 release on CRAN

Cluster.OBeu v1.2.1 release on CRAN

We are very pleased to announce Cluster.OBeu v1.2.1 on CRAN!

Cluster.OBeu is used on OpenBudgets.eu data mininig tool platform with OpenCPU integration of R and JavaScript to estimate and return the necessary parameters for cluster…

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Added by Kleanthis Koupidis on March 12, 2018 at 4:00am — No Comments

Web Scraping Matrimonial Website with R

In this tutorial, we will cover how to extract information from a matrimonial website using R.  We will do web scraping which is a process of converting data available in unstructured format on the website to structured format which can be further used for analysis.



We will use a R package called rvest which was created by Hadley Wickham. This package simplifies the process of scraping web pages.…

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Added by Deepanshu Bhalla on February 26, 2018 at 9:15am — No Comments

Searching on Google Maps using RStudio

Today I've just faced one challenge...

I work on one project, and we need to decide which assets from this company will be visited initially.

As every project, we have limited budget, so we should find some variables to indicate a priority scale.

After some discussion, someone said: let's find the assets close to schools and hospitals. Those must be inspected firstly than others.

Everybody agreed with the voice, but how would be possible to map every school and…

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Added by Thiago Buselato Maurício on January 25, 2018 at 4:00pm — 3 Comments

5 Free Data Science Books for the New Year

Now that Christmas and the New Year are behind us the nights are becoming a little longer with each passing day. Nevertheless, there's still loads of cold winter nights left to endure (unless you're in the Southern Hemisphere, in which case – throw me a shrimp on the barbie!).

It's time to dust off your New Year resolutions from last year (remember those?) and get ready for a new start, a new you and learn some new data skills.

I’ve thrown together a collection of five…

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Added by Lee Baker on January 24, 2018 at 11:00am — No Comments

Analysis on Google's Best Apps of 2017 List

STEP 1: BACKGROUND

As we are put 2017 to a close, "Best of 2017" lists are being released.  I had a look at Google's "Best Apps of 2017" list and I like their…

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Added by Laura Ellis on January 3, 2018 at 8:00am — 1 Comment

How to host a R Shiny App on AWS cloud in 7 simple steps

What is R Shiny App?

R shiny app is an interactive web interface. R shiny app has two components user interface object (UI.R) and server function (Server .R). The two components are passed as arguments to the shiny app function that creates a shiny app object. For more info on how to build Shiny…

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Added by Venkat Raman on November 29, 2017 at 7:18pm — No Comments

Best practices of orchestrating Python and R code in ML projects

Today, data scientists are generally divided among two languages — some prefer R, some prefer Python. I will not try to explain in this article which one is…

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Added by Marija Zoldin on September 26, 2017 at 10:00am — No Comments

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