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 ...

Monica steps in to argue for the stability of a standard database. And...punch is served. The post Party Buzz Kill: modifying data appeared first on Mark Niemann-Ross.

Monica steps in to argue for the stability of a standard database. And...punch is served. The post Party Buzz Kill: modifying data appeared first on Mark Niemann-Ross.

#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, ...,...