R for Beginners:  How to Install the Latest Version of R Statistics on Your Raspberry Pi A tutorial by D. M. Wiig One of the nice characteristics of open source software such as R is the rapid development of new releases and updates.  While the base core remains stable for ... [Read more...]

A new minor release 0.1.4 of pkgKitten just hit on CRAN this morning. One small change is that the package manual page it creates now makes use of the (still new-ish and under-documented and under-used) Rd macros described at the end of Section 2.13... [Read more...]

In this Exercise, we will dive quickly through some basic sampling methods. Follow along this series to use these methods later for our decision trees modelling exercise. We will sample using the package caTools and caret. This is a beginner level exercise. Please refer to the help section for set.... [Read more...]

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Contributed by Wann-Jiun Ma. He is currently in the NYC Data Science Academy 12 week full time Data Science Bootcamp program taking place between September to […] The post College Football EDA with R appeared first on NYC Data Science Academy Blog. [Read more...]

About a couple of years ago, I rolled out the flock package to help me synchronize R processes. I have used it ever since, but it wasn’t until recently that I found the time to move the source code to GitHub, and to add the package to CRAN. The ... [Read more...]

Understanding my Neighbors with R and Leaflet - I, like many others across the country have been in total shock and mental disarray at the results from the election this past Tuesday. I’m not sure what to make of my fellow Americans voting for an outright racist, sexist, homophobic ... [Read more...]

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One of the most appealing data visualisation charts are maps. I love maps as they combine an incredible information density with intuitive readability. Also I feel that most people prefer maps over other visualisations. (Is there research on this?) So... [Read more...]

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Microsoft provides some sophisticated Machine Learning tools via its Cognitive Services: Microsoft enables us to access several of its APIs in order to leverage Advanced Analyses. One of these is the Emotion API which can be fed pictures or videos that... [Read more...]

R for Beginners:  Installing the latest version of R on a Linux platform A tutorial by D. M. Wiig One of the nice characteristics of open source software such as R is the rapid development of new releases and updates.  While the base core remains stable for a period of ... [Read more...]

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Deployment of smart grids gives space to an occurrence of new methods of machine learning and data analysis. Smart grids can contain of millions of smart meters, which produce a large amount of data of electricity consumption (long time series). In add... [Read more...]

Nina Zumel and I have been doing a lot of writing on the (important) details of re-encoding high cardinality categorical variables for predictive modeling. These are variables that essentially take on string-values (also called levels or factors) and vary through many such levels. Typical examples include zip-codes, vendor IDs, and ... [Read more...]

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About a decade or so photomosaics were all the rage: a near-recreation of a famous image by using many smaller images as elements. Here, for example, is the Mona Lisa, created using the Metapixel program by overlaying 32x32 images of vehicles and animals. An image like this presents an interesting ... [Read more...]