Euler Problem 33: Digit Cancelling Fractions and Ford Circles
Euler Problem 33 takes us back to the world of fractions from our primary school days. This article explains how to solve Euler Problem 33 with R and shows how...continue reading.
Monthly Archive: July 2018
RStudio Connect v1.6.4.2 – Security Update
A security vulnerability in a third-party library used by RStudio Connect was uncovered during a security audit last week. We have confirmed that this vulnerability has not been used against...continue reading.
R Weekly 2018-28 ggplot2, Factfulness
Hello and welcome to this new issue! ggplot2 3.0.0 – Create Elegant Data Visualisations Using the Grammar of Graphics Factfulness: Building Gapminder Income Mountains 📦 Go Live for More New...continue reading.
RStudio Connect v1.6.4.2 – Security Update
A security vulnerability in a third-party library used by RStudio Connect was uncovered during a security audit last week. We have confirmed that this vulnerability has not been used against...continue reading.
Solver Interfaces in CVXR
In our previous blog post, we introduced CVXR, an R package for disciplined convex optimization. The package allows one to describe an optimization problem with Disciplined Convex Programming rules using...continue reading.
Time Series Analysis With Documentation And Steps I Follow For Analytics Projects.
To do this I will create a prediction of the open values for Bitcoin in the next 3 days.The process I follow is based on CRISP-DM methodology: https://www.datasciencecentral.com/profiles/blogs/crisp-dm-a-standard-methodology-to-ensure-a-good-outcome1.- Planning the activities.To...continue reading.
World Income, Inequality and Murder
Abstract: We follow up on last weeks post on using Gapminder data to study the world’s income distribution. In order to assess the inequality of the distribution we compute the...continue reading.
Python Pandas read_csv – Load Data from CSV Files
CSV (comma-separated value) files are a common file format for transferring and storing data. The ability to read, manipulate, and write data to and from CSV files using Python is...continue reading.
Convolutional Neural Networks in R
Last time I promised to cover the graph-guided fused LASSO (GFLASSO) in a subsequent post. In the meantime, I wrote a GFLASSO R tutorial for DataCamp that you can freely...continue reading.
a thread to bin them all [puzzle]
The most recent riddle on the Riddler consists in finding the shorter sequence of digits (in 0,1,..,9) such that all 10⁴ numbers between 0 (or 0000) and 9,999 can be...continue reading.
Statistics Sunday: Mixed Effects Meta-Analysis
As promised, how to conduct mixed effects meta-analysis in R:Code used in the video is available here. And I’d recommend the following posts to provide background for this video:What is...continue reading.
Dealing with heteroskedasticity; regression with robust standard errors using R
First of all, is it heteroskedasticity or heteroscedasticity? According to McCulloch (1985), heteroskedasticity is the proper spelling, because when transliterating Greek words, scientists use the Latin letter k in place...continue reading.
Dealing with heteroskedasticity; regression with robust standard errors using R
First of all, is it heteroskedasticity or heteroscedasticity? According to McCulloch (1985), heteroskedasticity is the proper spelling, because when transliterating Greek words, scientists use the Latin letter k in place...continue reading.
Carpe Talk
Summer conference season is in full swing, with useR! 2018 Brisbane nearly upon us! Conference talks are a great opportunity to help people learn about the cool and useful things...continue reading.
A framework to automate your work: How to set up Airflow!
In the first part of this blog post, we talked about what a DAG is, how to apply this mathematical concept in project planning and programming and why we at...continue reading.
Pattern-based Spatial Analysis – core ideas
Blog posts in the series introducing GeoPAT 2 – a software for pattern-based spatial and temporal analysis: GeoPAT 2: Software for Pattern-Based Spatial and Temporal Analysis Pattern-based Spatial Analysis -...continue reading.
Benjamin Garden on Simple vs. Compound Interest in Finance – The Central Equilibrium – Episode 5
I am so pleased to publish this new episode of “The Central Equilibrium“, featuring Benjamin Garden. He talked about simple and compound interest in the context of finance and investment,...continue reading.
seven digit addition
Another quick riddle from the riddler: solve the equation EXMREEK + EHKREKK = ?K?H?X?E which involves every digit between 0 and 9. While the puzzle can be unravelled by considering...continue reading.
Weighting tricks for machine learning with Icarus – Part 1
Calibration in survey sampling is a wonderful tool, and today I want to show you how we can use it in some Machine Learning applications, using the R package Icarus....continue reading.
Extreme Learning Machine
As of 2018-06-17 the elmNN package was archived and due to the fact that it was one of the machine learning functions that I used when I started learning R...continue reading.
