2019

New package: GetEdgarData

October 15, 2019 | R on msperlin

Introduction Every company traded in the US stock market must report its quarterly and yearly documents to the SEC and the public in general. This includes its accounting statements (10-K, 10-K) and any other corporate event that is relevant to investors. Edgar is the interface where we can search for ... [Read more...]

Easy introduction to Offensive Programming

October 15, 2019 | Neonira

Many of us are using R in a way or another and we all have to deal with R intrinsics and sometimes R weirdness. Standard R way Base package, append function Let’s look at a first example, using the very useful append function from base R. The f...
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Le Monde puzzle [#1114]

October 15, 2019 | xi'an

Another very low-key arithmetic problem as Le Monde current mathematical puzzle: 32761 is 181² and the difference of two cubes, which ones? And 181=9²+10², the sum of two consecutive integers. Is this a general rule, i.e. the root z of a perfect square that is the difference of two cubes is always ...
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upcoming AI-related courses

October 15, 2019 | Super User

I forgot to do some marketing for the following upcoming AI-related courses which will be given in Leuven, Belgium by BNOSAC 2019-10-17&18: Statistical Machine Learning with R: Subscribe here 2019-11-14&15: Text Mining with R: Subscribe here 2... [Read more...]

Parsing Sda Pages

October 15, 2019 | R on kieranhealy.org

SDA is a suite of software developed at Berkeley for the web-based analysis of survey data. The Berkeley SDA archive (http://sda.berkeley.edu) lets you run various kinds of analyses on a number of public datasets, such as the General Social Survey. It also provides consistently-formatted HTML versions of ... [Read more...]

Super Solutions for Shiny Apps #4 of 5: Using R6 Classes

October 15, 2019 | Marcin Dubel

TL;DR Why use object-oriented programming in Shiny applications? It’ll help organizize organize the code in your application!   Organize Your Shiny Code with Object-Oriented Programming Classes are used widely in all R programming — usually the S3 ones. Even if you’ve never heard of them, as an R user ...
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Could you be the next graduate Mango?

October 15, 2019 | Jen Wilkins

At Mango, we firmly believe that any decision can be better made using analytics and data. We also know that a company’s success is increasingly dependent on becoming data-driven. That’s where we come in. Our mission is to empower organisations to make informed decisions using data science and ... [Read more...]

Finding free science books from Springer

October 15, 2019 | Learning Machines

Today the biggest book fair of the world starts again in Frankfurt, Germany. I thought this might be a good opportunity to do you some good! Springer is one of the most renowned scientific publishing companies in the world. Normally, their books are quite expensive but also in the publishing ... [Read more...]

Merge MLP And CNN in Keras

October 14, 2019 | statcompute

In the post (https://statcompute.wordpress.com/2017/01/08/an-example-of-merge-layer-in-keras), it was shown how to build a merge-layer DNN by using the Keras Sequential model. In the example below, I tried to scratch a merge-layer DNN with the Keras functional API in both R and Python. In particular, the merge-layer DNN is ...
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Selection bias, death, and dying

October 14, 2019 | Keith Goldfeld

I am collaborating with a number of folks who think a lot about palliative or supportive care for people who are facing end-stage disease, such as advanced dementia, cancer, COPD, or congestive heart failure. A major concern for this population (which really includes just about everyone at some point) is ...
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Assess Variable Importance In GRNN

October 13, 2019 | statcompute

Technically speaking, there is no need to evaluate the variable importance and to perform the variable selection in the training of a GRNN. It’s also been a consensus that the neural network is a black-box model and it is not an easy task to assess the variable importance in ...
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Did Russia Use Manafort’s Polling Data in 2016 Election?

October 13, 2019 | sam

Introduction:On August 2, 2016 then Trump campaign manager, Paul Manafort, gave polling data to Konstantin Kalimnik a Russian widely assumed to be a spy. Before then Manafort ordered his protege, Rick Gates, to share polling data with Kilmnik. Gates periodically did so starting April or May. The Mueller Report stated it ...
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Using R: Animal model with simulated data

October 13, 2019 | mrtnj

Last week’s post just happened to use MCMCglmm as an example of an R package that can get confused by tibble-style data frames. To make that example, I simulated some pedigree and trait data. Just for fun, let’s look at the simulation code, and use MCMCglmm and AnimalINLA ...
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