1814 search results for "EXCEL"

Becoming The Intern

October 30, 2016
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Becoming The Intern

I was not always this famous… And with this I mean that a year ago only my colleagues knew I did stuff in R and now I’m reaching a slightly wider audience. Some of this is definitely due to me interning for Hadley Wickham and helping prepare the ne...

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The Bayesian approach to ridge regression

The Bayesian approach to ridge regression

In a previous post, we demonstrated that ridge regression (a form of regularized linear regression that attempts to shrink the beta coefficients toward zero) can be super-effective at combating overfitting and lead to a greatly more generalizable model. This approach… Continue reading →

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Book Review: Computer Age Statistical Inference

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FiveThirtyEight’s polling data for the US Presidential election

October 28, 2016
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FiveThirtyEight’s polling data for the US Presidential election

3,000+ voting intention surveys Like many others around the world, I have been watching with interest the democratic process in the United States of America. One of the most influential and watched websites is FiveThirtyEight.com, headed by Nate Silv...

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Mapping EFSA’s food consumption data with tmap

October 27, 2016
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Mapping EFSA’s food consumption data with tmap

Disclaimer The opinions expressed in the article are those of the author(s) only, and may not necessarily represent the views of EFSA or of any other EU Institution or body. EFSA’s food consumption data The European Food Safety Authority collects food consumption data from all EU countries and and integrates them in their database. The data is based on country specific surveys, in which...

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A Full Integration of XGBoost and Apache Spark

October 26, 2016
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A Full Integration of XGBoost and Apache Spark

Introduction On March 2016, we released the first version of XGBoost4J, which is a set of packages providing Java/Scala interfaces of XGBoost and the integration with prevalent JVM-based distributed data processing platforms, like Spark/Flink. The integrations with Spark/Flink, a.k.a. XGBoost4J-Spark and XGBoost-Flink, receive the tremendous positive feedbacks from the community. It enables users to build a unified pipeline, embedding...

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Multivariate Joint Models for Multiple Longitudinal Outcomes and a Time-to-Event

October 24, 2016
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A new, development version, of package JMbayes has been rolled-out on the dedicated GitHub repo. The major addition in this version is a set of new functions that can fit multivariate joint models for multiple longitudinal outcomes and a time-to-event. As with other GitHub packages, it can be easily installed using the install_github() function from...

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Introduction To R Programming : How I Learn Best

October 22, 2016
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Introduction To R Programming : How I Learn Best

How Best To Learn R Programming So what’s the best or most efficient way to learn R programming? I have read numerous books and blogs on R programming in an attempt to learn more about R. While doing this has helped me understand the basics, these resources tend to get off track. Usually, when I

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Better Confidence Intervals for Quantiles

October 22, 2016
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Better Confidence Intervals for Quantiles

\{\boldsymbol{\mathbf{#1}}} \DeclareMathOperator*{\argmin}{arg\,min} \DeclareMathOperator*{\argmax}{arg\,max} \] Abstract We discuss the computation of confidence intervals for the median or any other quantile in R. In particular we are interested in the interpolated order statistic approach suggested by Hettmansperger and Sheather (1986) and Nyblom (1992). In order to make the methods available to a greater audience we provide an implementation of these methods in...

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Paper published: mlr – Machine Learning in R

October 19, 2016
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Paper published: mlr – Machine Learning in R

We are happy to announce that we can finally answer the question on how to cite mlr properly in publications. Our paper on mlr has been published in the open-access Journal of Machine Learning Research (JMLR) and can be downloaded on the journal home page.

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