July 2016

As.Date() Exercises

July 14, 2016 | John Akwei

The as.date() function creates objects of the class “Date“, via input of character representations of dates. Answers to the exercises are available here. Exercise 1 The format of as.Date(x, ...) accepts character dates in the format, “YYYY-MM-DD”. For the first exercise, use the c() function, and as.date(), to ... [Read more...]

Some New R Packages

July 14, 2016 | Joseph Rickert

by Joseph Rickert New R packages keep rolling into CRAN at a prodigious rate: 184 in May, 195 in June and July looks like it will continue the trend. I spent some time sorting through them and have picked out a few that that are interesting from a data science point of ... [Read more...]

MICAD: A new algorithm/R package for anomaly detection

July 14, 2016 | scottmutchler

Overview Anomaly detection algorithms are core to many fraud and security applications/business solutions.  Identifying cases where specific values are outside norms can be useful in outlier detection (as a predicate to predictive modeling) and to identify cases of interest when labeled data is not available for supervised learning models.  ...
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Explore correlations in R with corrr

July 13, 2016 | Simon Jackson

Earlier this week, my first package, corrr, was made available on CRAN. Below are the introductory instructions provided on the README for this first-release version 0.1.0. Please contribute to corrr on Github or email me your suggestions!  corrr corrr is a package for exploring correlations in R. It makes it possible ...
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Proportions with mean()

July 13, 2016 | Simon Jackson

One of the most common tasks I want to do is calculate the proportion of observations (e.g., rows in a data set) that meet a particular condition. For example, what is the proportion of missing data, or people over the age of 18? There is a suprisingly easy solution to ... [Read more...]

R tutorials and courses on OpenIntro

July 13, 2016 | DataCamp Blog

DataCamp first to offer free interactive R tutorials and courses via the OpenIntro platform.In one week, the ten-week Coursera course on Data Analysis and Statistical Inference by prof. Mine Çetinkaya-Rundel of Duke University comes to an end. At Da... [Read more...]

Intro to Statistics with R Series

July 13, 2016 | DataCamp Blog

We are proud to announce we have made some huge updates to our Intro to Statistics with R series. Over 100 challenges and more than 30 videos are redesigned from scratch. Our intro to statistics with R courses have always been some of our most popul...
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DataCamp talks @user2015aalborg

July 13, 2016 | DataCamp Blog

The team behind DataCamp is getting ready for its third useR! attendance in as many years. This year we will contribute two talks. One on teaching R in class, and another on our testwhat package. Talk One: Teaching R in (an Online) ClassToday, over 145... [Read more...]
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