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Back in 2017 I wrote the first international1 edition of my book “Analyzing Financial and Economic Data with R” (online version) . While I was happy with the content of the book at the time of publication, today I know I can make it better. As o... [Read more...]

rOpenSci thrives because of volunteer contributions from community members - submitting and reviewing R packages, serving as editors for software peer review, writing blog posts, sharing information about packages and resources, contributing code and documentation and answering others’ questions. Recently our fiscal sponsor, NumFOCUS, gave us an opportunity to nominate ... [Read more...]

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GenABEL is an R package for performing genome-wide association with linear mixed models and a genomic relationship matrix. RepeatABEL is a package for such genome-wide association studies that also need repeated measures. Unfortunately, since 2018, GenABEL is not available on CRAN anymore, because of failed checks that were not fixed. (Checks ... [Read more...]

Our second assignment involves students downloading an Excel file from the internet and importing it into the RStudio environment. They will then write code to give summary statistics and the five-number summary. The Sharp Sight website has a nice explanation of using ggplot for creating scatter plots. Go here to ... [Read more...]

Hello all! I have not posted on this site since March, and I feel terrible about it. I know no one reads this, but personally it was a goal of mine to keep my skills up-to-date by forcing myself to blog about them. All that being said, I have spent ... [Read more...]

I am a data analyst in the Twin Cities, specializing in the K-12, higher education, and non-profit sectors. I have worked in the field for over four years, and know both the database and analytical/visualization components deeply. I work hard to unders... [Read more...]

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In my free time away from PhD and data science work, I (used to) enjoy rowing. Aside from obvious benefits like socialising, providing a (very intense) workout, seeing the outdoors at least a few times a week… there are really two things that I love(d) about rowing: It’s ... [Read more...]

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Chapter 2 section 3 covers Linear independence. In this post, I’ll continue writing R code to accompany linear algebra equations found in Linear Algebra: Step by Step, by Kuldeep Singh. For more information on the origins of these posts, see the first companion post Section 2.3 – Linear Independence To detect linear dependence ... [Read more...]

Another new version of digest got onto CRAN earlier today, and was also uploaded to Debian. digest creates hash digests of arbitrary R objects (using the md5, sha-1, sha-256, sha-512, crc32, xxhash32, xxhash64, murmur32, and spookyhash algorithms) pe... [Read more...]

Even organisations and people that use a statistical package for hard-core data and econometric analysis might use spreadsheets for financial and economic scenario and evaluation models. There’s something about the ad hoc nature of financial models i... [Read more...]

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