R-bloggers

The Two-Fund Separation Theorem introduced by James Tobin, a Nobel Prize-winning economist, is a fundamental concept in investment theory. It addresses how investors can optimally allocate their assets. In an efficient market an optimal portfolio is a combination of a risk-free asset and a market portfolio.

A fellow coder shared with me this recent manual (in French) entitled python (for the computer language, not the snake) written by Nathalie Azoulai  as he found it an interesting literary (if not computer) program. It parses rather quickly and I compiled it in one single run on my way ...

Kirill Müller is the author of the {DBI} package, which helps to connect R and database management systems (DBMS). The connection to a DBMS is achieved through database-specific backend packages... The post Building Data Highways: Kirill Müller’s Journey in Enhancing R’s Database appeared first on R ...

Welcome to the Mushroom KingdomIn the vast and varied landscape of data analysis, navigating through complex datasets and transformation processes can often feel like an adventure through unknown lands. For those who embark on this journey using R, there’s a powerful tool at their disposal, reminiscent of the magical ...

Finding a high-profile job position has been very hard for women especially those living in countries with few opportunities for related acquires. This problem can be stemmed from many reasons like contextual factors and accessibility dimensions. This article will examine females’ high-profile job positions rate in the working environment worldwide ...

You have the fundamentals of R Highcharts under your belt by now. The next logical step is to introduce a bit more complexity in the code, but for the greater good. And that good is implementing drilldown charts straight in R! This will allow you to click on individual chart ...

#171–172PuzzlesAuthor: ExcelBIAll files (xlsx with puzzle and R with solution) for each and every puzzle are available on my Github. Enjoy.Puzzle #173One of contestants said: Why should we break such a nice table? Because indeed it is what we have to d...

A researcher reached out to me a few weeks ago. They were trying to generate longitudinal data that included irregularly spaced follow-up periods. The default periods generated by the function addPeriods in the simstudy package are \(\{0, 1, 2, ...,...

Summary My gssr package is now two packages: gssr and gssrdoc. They’re also available as binary packages via R-Universe which means they will install much faster. The GSS is a big survey with a big codebook. Distributing it as an R package poses a few challenges. It’s too ...

Come celebrate 10 YEARS of the New York R Conference! This year’s conference takes place May 16th & 17th with workshops May 15th. We are taking a trip down memory... The post Decade of Data: Celebrating 10 Years of Innovation at the New York R Conference appeared first on R Consortium.

Puzzles no. 429–433PuzzlesAuthor: ExcelBIAll files (xlsx with puzzle and R with solution) for each and every puzzle are available on my Github. Enjoy.Puzzle #429We all (I assume) know the Pythagorean theorem, thanks to which we can calculate sides of t...

Business needs to have dashboards validated. Many companies have dedicated Quality Assurance teams. As software engineers, we call the validation process testing. The process of validating an app by mimicking real users behavior is called end-to-end testing. It’s not some function, runs with some parameters, and we’re happy. ...

Ignite your passion and propel your career at ShinyConf 2024, online from the 17th to the 19th of April! This isn’t just another conference; it’s an opportunity to stay ahead of the curve. Dive into workshops, seminars, and sessions that push your abilities. Master foundational concepts or explore advanced ...

Introduction In the world of statistics and data analysis, understanding and accurately estimating the parameters of probability distributions is crucial. One such distribution is the chi-square distribution, often encountered in various statist...