2021

ShinyProxy 2.6.0

November 8, 2021 | Open Analytics

ShinyProxy 2.6.0 Today we release version 2.6.0 of ShinyProxy which includes over forty improvements. ShinyProxy is a novel, open source platform to deploy Shiny apps for the enterprise or larger organizations. Nevertheless, ShinyProxy is also an exce...

Granger Causality Test in R (with Example)

November 8, 2021 | finnstats »

Granger-Causality Test in R, The Granger Causality test is used to examine if one time series may be used to forecast another. Subscribe to the Channel for video tutorials Null Hypothesis (H0): Time series X does not cause time series Y to Gr...

Granger Causality Test in R (with Example)

November 8, 2021 | finnstats

Granger-Causality Test in R, The Granger Causality test is used to examine if one time series may be used to forecast another. Null Hypothesis (H0): Time series X does not cause time series Y... The post Granger Causality Test in R (with Example) appeared first on finnstats. [Read more...]

Should I Move to a Database?

November 7, 2021 | Roel M. Hogervorst

Long ago at a real-life meetup (remember those?), I received a t-shirt which said: “biggeR than R”. I think it was by microsoft, who develop a special version of R with automatic parallel work. Anyways, I was thinking about bigness (is that a word? it is now!) of your data. ... [Read more...]

How fast is M1?

November 7, 2021 | R on Harshvardhan

I upgraded my laptop to MacBook Air (2020) with the infamous M1 processor a few days ago. I went after the most powerful machine in the category, one with 16 gigabytes of RAM and one terabyte of storage — I didn’t want to regret my choices ...

A Structural Model of the World Happiness Report

November 7, 2021 | Blogs on [email protected]

“If you can’t explain it simply, you don’t understand it well enough.” — Albert Einstein Introduction Structural equation modelling is a statistical technique used mostly in behavioral and cognitive sciences to see how some selected factors affect a latent variable. A latent variable is a variable that can’t ...

Building Code Movies With flipbookr

November 7, 2021 | RStudio | Open source & professional software for data science teams on RStudio

Photo by Alex Litvin on Unsplash This is a guest post from Gina Reynolds with contributions from Rachel Goodman, Luca Picci, Conner Surrency, and Brit Woodrum, who provided research assistance while completing their Masters’ at the University of Denver’s Josef Korbel School of International Studies. Gina taught research methodology ... [Read more...]

A Structural Model of the World Happiness Report

November 7, 2021 | Blogs on Adejumo R.S

“If you can’t explain it simply, you don’t understand it well enough.” — Albert Einstein Introduction Structural equation modelling is a statistical technique used mostly in behavioral and cognitive sciences to see how some selected factors affect a latent variable. A latent variable is a variable that can’t ...

{binance} Spot Trading: Liquidity

November 7, 2021 | R - datawookie

In previous posts we looked at creating market orders and limit orders with {binance}. We saw a couple of successful trades. However, sometimes trades are not successful and the orders are not filled. Let’s try to understand why. The setup will be the same as the previous posts and ...

Why You Should Use RStudio Connect Authentication And How to Set It Up

November 7, 2021 | Damian Budelewski

When it comes to securing your application, the first thing that comes to mind is protecting access with proper authentication. This means only allowing people that you create accounts for to access your platform. RStudio Connect authentication makes this process relatively easy with options for either internal or external authentication ...

GooglyPlusPlus2021 now with power play, middle and death over analysis

November 7, 2021 | Tinniam V Ganesh

This latest edition of GooglyPlusPlus2021 now includes detailed analysis of teams, batsmen and bowlers in power play, middle and death overs. The T20 format is based on 3 phases as each side faces 20 overs. Power play: Overs: 0 – 6 – No more than 2 players can be outside the 30 yard circle Middle … Continue reading GooglyPlusPlus2021 ...

Markov Transition (Animated) Plots

November 6, 2021 | R on Data & The World

This is a quick post intended for animating how the transition matrix of a Markov chain changes between larger time steps, as well as showing the probability of the chain being in any specified state over time. This post uses the tidyverse, along with ... [Read more...]

Time series cross-validation using `crossvalidation` (Part 2)

November 6, 2021 | T. Moudiki

Time series cross-validation using `crossvalidation`, with validation on unseen data.

Bond Forward Pricing using R code

November 6, 2021 | sang-heon lee

This post presents a R code for pricing a bond forward. It is well known that insurance companies use it as the instrument of a duration management with lower cost. Here, a pricing formula and its implementation are provided with delta sensitivity u...

String Manipulation in R

November 6, 2021 | finnstats »

String Manipulation in R, In this article, we’ll show you how to manipulate strings in the R programming language using many methods. To begin, we’ll read text from a file into the computer to demonstrate the string operations. data&...

String Manipulation in R

November 6, 2021 | finnstats

String Manipulation in R, In this article, we’ll show you how to manipulate strings in the R programming language using many methods. To begin, we’ll read text from a file into the computer to... The post String Manipulation in R appeared first on finnstats. [Read more...]

The Return Distribution of Bitcoin

November 5, 2021 | Franklin Parker

A look at daily and monthly bitcoin return distributions. Which distribution best describes the observed data. And, what does this mean from a portfolio management perspective?

Benchmarking Rcpp code with RcppClock

November 5, 2021 | Rcpp Gallery

Rcpp is all about the need for speed. However, Rcpp code is not magically fast, but is the result of careful coding and profiling. RcppClock makes it easy to profile C++ code from R: On the C++ side, RcppClock wraps std::chrono::high_resolution_clo...

How to Plot Observed and Predicted values in R

November 5, 2021 | finnstats »

Plot Observed and Predicted values in R, In order to visualize the discrepancies between the predicted and actual values, you may want to plot the predicted values of a regression model in R. This tutorial demonstrates how to make this style of the...

How to Plot Observed and Predicted values in R

November 5, 2021 | finnstats

Plot Observed and Predicted values in R, In order to visualize the discrepancies between the predicted and actual values, you may want to plot the predicted values of a regression model in R. This... The post How to Plot Observed and Predicted values in R appeared first on finnstats.

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