Monthly Archives: April 2019

Using svglite with web fonts by @ellis2013nz

Using svglite with web fonts by @ellis2013nz

OK, no stats today, just fidgeting about with graphics devices and type faces. Caveat - the details of graphics formats and typefaces is not my area of real expertise, this blog post is me noting down things that I found useful and others might too. As...

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Pareto-NBD Customer Lifetime Value

April 5, 2019
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Pareto-NBD Customer Lifetime Value

Pareto-NBD Customer Lifetime Value Posted on 6 April, 2019 by Brian Tags: customer lifetime value, pareto-nbd, smc Category: customer_lifetime_value Suppose you have a bunch of customers who make repeat purchases - some...

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Analysing Strike Rates in the IPL using the tidyverse

April 5, 2019
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Analysing Strike Rates in the IPL using the tidyverse

In this article, we analyse the strike rates of the top batsmen in the Indian Premier League. We will use the tidyverse packages for the analysis, primarily dplyr and ggplot2. The code for all the data processing and analysis can be found in this Github repo. We will be using data from Cricsheet. Unfortunately, the data is only available till 2017...

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Coke vs. Pepsi? data.table vs. tidy? Examining Consumption Preferences for Data Scientists

April 5, 2019
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Coke vs. Pepsi? data.table vs. tidy? Examining Consumption Preferences for Data Scientists

By Beth Milhollin ([email protected]), Russell Zaretzki ([email protected]), and Audris Mockus ([email protected]) Coke and Pepsi have been fighting the cola wars for over one hundred years and, by now, if you are still willing to consume soft drinks, you are either a Coke person or a Pepsi person. How did you choose? Why are you so … Continue reading Coke...

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Why RcppDynProg is Written in C++

April 5, 2019
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Why RcppDynProg is Written in C++

The (matter of opinion) claim: “When the use of C++ is very limited and easy to avoid, perhaps it is the best option to do that ” (source discussed here) got me thinking: does our own RcppDynProg package actually use C++ in a significant way? Could/should I port it to C? Am I informed enough … Continue reading Why...

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iBreakDown: faster, prettier and more precise explanations for predictive models (with interactions)

April 5, 2019
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iBreakDown: faster, prettier and more precise explanations for predictive models (with interactions)

LIME and SHAP are two very popular methods for instance level explanations of machine learning models (XAI). They work nicely for images and text inputs, but share similar weakness in case of tabular data: explanations are additive while complex models are (sometimes) not. iBreakDown addresses this problem. iBreakDown is a a successor of the breakDown … Czytaj dalej iBreakDown:...

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Martingale strategies don’t work, but we knew that – Simulation analysis in R

April 5, 2019
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Martingale strategies don’t work, but we knew that – Simulation analysis in R

It’s generally accepted that Martingale betting strategies don’t work. But people still gravitate towards them because they are intuitive. I The post Martingale strategies don’t work, but we knew that – Simulation analysis in R appeared first on Daniel Oehm | Gradient Descending.

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EARL London keynote speaker announcement – Julia Silge

April 5, 2019
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We are thrilled to announce that Julia Silge from Stack Overflow will join us at EARL London (10-12 September) as a keynote speaker. After wowing us all at EARL Seattle last year we knew we had to get Julia over to London! About Julia Silge Julia Silge is a data scientist at Stack Overflow, with a PhD in astrophysics and...

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Open Workshop: Programming with R, May 8th and 9th in Frankfurt

April 5, 2019
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Open Workshop: Programming with R, May 8th and 9th in Frankfurt

We at STATWORX are opening our doors for anyone who wants to learn more about data. Our open workshop is designed for R-beginners and provides the perfect mixture between theory and practice. Participants achieve first insights into data science and programming with R. The workshop will be held in German at our office in Frankfurt. There is a limit...

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How to build Animated Bar Plots using R

April 4, 2019
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How to build Animated Bar Plots using R

CategoriesVisualizing Data Tags Animation Data Visualisation R Programming Recently, Animated Bar Plots have started going Viral on Social Media leaving a lot of Data Enthusiasts wondering how are these Animated Bar Plots made. The objective of this post is to explain how to build such an Animated Bar Plot using R – R with the power of versatile packages. Final Output: The output Related...

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