Monthly Archives: March 2018

Using functions to be more efficient – March 28, 2018

March 27, 2018
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Using functions to be more efficient – March 28, 2018

In yesterday’s post I focused on the task of using R to “drive” MS Excel. I deliberately ended the post with a fully functioning (pun intended) but very ugly set of code. Why “ugly”? Well, because the last set of code wound up repeating 4 lines of code 12 times!

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My upcoming meetup talks about Deep Learning with Keras and explaining complex Machine Learning Models with LIME

March 27, 2018
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My upcoming meetup talks about Deep Learning with Keras and explaining complex Machine Learning Models with LIME

I’ll be talking about Deep Learning with Keras in R and Python at the following upcoming meetup: Ruhr.Py 2018 on Wednesday, April 4th Introducing Deep Learning with Keras and Python Keras is a high-level API written in Python for building and prot...

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Join MünsteR for our next meetup on deep learning with Keras and R

March 27, 2018
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Join MünsteR for our next meetup on deep learning with Keras and R

In our next MünsteR R-user group meetup on Tuesday, April 17th, 2018 Kai Lichtenberg will talk about deep learning with Keras. You can RSVP here: http://meetu.ps/e/DDY1B/w54bW/f Although neural networks have been around for quite a while now, dee...

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Using R to ‘drive’ MS Excel – 3/27/2018

March 27, 2018
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Using R to ‘drive’ MS Excel – 3/27/2018

I have until recently made it a habit to draw a clear distinction about using R for data analysis and Microsoft Excel for other office productivity tasks. I know there are people who use Excel to process data and even (gasp) to teach statistics with it. But I’m a bit snobbish that way and to date all my efforts...

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Which world leaders are twitter bots?

Which world leaders are twitter bots?

Set-up Getting the tweets Are world leaders actually bots? Set-up Given that I do quite like twitter, I thought it would be a good idea to right about R’s interface to the twitter API; rtweet. As usual, we can grab the package in the usual way. We’re also going to need the tidyverse for the analysis, rvest for some initial webscraping of twitter...

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Generate image captions with the Computer Vision API

March 27, 2018
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Generate image captions with the Computer Vision API

The Azure Computer Vision API can extract all sorts of interesting information from images — tags describing objects found in the images, locations of detected faces, and more — but today I want to play around with just one: caption generation. I was inspired by @picdescbot on Twitter, which selects random images from Wikimedia Commons and generates a caption...

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a null hypothesis with a 99% probability to be true…

March 27, 2018
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a null hypothesis with a 99% probability to be true…

When checking the Python t distribution random generator, np.random.standard_t(), I came upon this manual page, which actually does not explain how the random generator works but spends instead the whole page to recall Gosset’t test, illustrating its use on an energy intake of 11 women, but ending up misleading the readers by interpreting a .009

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What I did to use git with Rstudio in Ubuntu 16.04

March 27, 2018
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What I did to use git with Rstudio in Ubuntu 16.04

Before installing anything I signed up on https://github.com/and created my R-ANALYTICS repository:https://github.com/LaranIkal/R-ANALYTICSNow the installation and setup.1. I installed git on Ubuntu, from a terminal window:$ sudo apt-get update $ sudo apt-get install git2.- I configured git:I did this through the git config command. I provided my name and email address because git embeds this information into each...

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Run Python from R

March 27, 2018
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Run Python from R

This article explains how to call or run python from R. Both the tools have its own advantages and disadvantages. It's always a good idea to use the best packages and functions from both the tools and combine it. In data science world, these tools have a good market share in terms of usage. R is mainly known for...

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7 Jobs for R users from around the world (2018-03-27)

March 27, 2018
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7 Jobs for R users from around the world (2018-03-27)

To post your R job on the next post Just visit  this link and post a new R job  to the R community. You can post a job for  free  (and there are also “featured job” options available for extra exposure). Current R jobs Job seekers:  please follow the links below to learn more and apply for your R job of interest: Featured Jobs...

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