Optional stopping does not bias parameter estimates (if done correctly)
By Nicebread (This article was originally published at Nicebread, and syndicated at StatsBlogs.) tl;dr: Optional stopping does not bias parameter estimates from a frequentist point of view if all...
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Optional stopping does not bias parameter estimates (if done correctly)
By FelixS tl;dr: Optional stopping does not bias parameter estimates from a frequentist point of view if all studies are reported (i.e., no publication bias exists) and effect sizes are appropriately...
View ArticleAre Subscription Sources More Accurate?
By Dennis Andersen Introduction In this article, we examine whether there are advantages to paying for subscription fantasy football projections. We tested whether projections from subscription sources...
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Calculating Average Consumption From One Week of Purchases
By Francis Smart A number of large surveys have attempted to quantify consumer consumption from a limited period of time observed. This task can be fairly complex as it is fraught with potentially...
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Merging Dataframes Exercises
By John Akwei When combining separate dataframes, (in the R programming language), into a single dataframe, using the cbind() function usually requires use of the “Match()” function. To simulate the...
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52 Vis Week #2 Wrap Up
By hrbrmstr I’ve been staring at this homeless data set for a few weeks now since I’m using it both here and in the data science class I’m teaching. It’s been one of the most mindful data sets I’ve...
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52 Vis Week 1 Winners!
By hrbrmstr The response to 52Vis has exceeded expectations and there have been great entries for both weeks. It’s time to award some prizes! Week 1 – Send in the Drones I’ll take this week in comment...
View ArticleBecause it’s Friday: Witness the Illusion
By David Smith Welcome to another Friday and another post about illusions (yes, I’m a bit obsessed). I recently discovered Brusspups’ Youtube Channel, and it’s packed with dozens of practical illusions...
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On the growth of CRAN packages
By Andrie de Vries by Andrie de Vries Every once in a while somebody asks me how many packages are on CRAN. (More than 8,000 in April, 2016). A year ago, in April 2015, there were ~6,200 packages on...
View ArticleR in Finance and other events
By Pat (This article was originally published at R language – Portfolio Probe, and syndicated at StatsBlogs.) Highlighted R in Finance 2016 May 20-21, Chicago. 2 days, limited space, 50 speakers,...
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yorkr pads up for the Twenty20s: Part 1- Analyzing team”s match performance
By Tinniam V Ganesh There are two ways of constructing a software design: One way is to make it so simple that there are obviously no deficiencies and the other way is to make it so complicated that...
View ArticleR in Finance and other events
By Pat Highlighted R in Finance 2016 May 20-21, Chicago. 2 days, limited space, 50 speakers, including: Pat Burns on “Some Linguistics of Quantitative Finance” Abstract: How can the abstract be written...
View ArticleR in Finance and other events
By Pat (This article was originally published at R language – Portfolio Probe, and syndicated at StatsBlogs.) Highlighted R in Finance 2016 May 20-21, Chicago. 2 days, limited space, 50 speakers,...
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What are the most educated counties in the US?
By dan CENSUS DATA ON EDUCATIONAL ATTAINMENT BY COUNTY People ask us “what are the most educated counties in the USA”? It turns out the census keeps track of this sort of thing. We found a table called...
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Election analysis contest entry part 4 – drivers of preference for Green over...
By Peter’s stats stuff – R Motivation This post is the fourth in a series that make up my entry in Ari Lamstein’s R Election Analysis Contest. Earlier posts introduced the nzelect R package, basic...
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Simulating Continuous-Time Markov Chains with simmer (part 1)
By FishyOperations In the previous post, we gave you some insights about the simulation of simple birth-death processes with simmer. The extension of such a methodology for more complex queueing...
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R benchmark for High-Performance Analytics and Computing (I)
By DanDan Zhang Objectives of Experiments R is more and more popular in various fields, including the high-performance analytics and computing (HPAC) fields. Nowadays, the architecture of HPC system...
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yorkr pads up for the Twenty20s: Part 2-Head to head confrontation between teams
By Tinniam V Ganesh Alice :“Where should I go?” The Cheshire Cat: “That depends on where you want to end up.” “I’m not strange, weird, off, nor crazy, my reality is just different from yours.”...
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Improved vtreat documentation
By John Mount Nina Zumel has donated some time to greatly improve the vtreat R package documentation (now available as pre-rendered HTML here). vtreat is an R data.frame processor/conditioner package...
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yorkr pads up for Twenty20s:Part 4- Individual batting and bowling performances!
By Tinniam V Ganesh Introduction In theory, theory and practice are the same. In practice, they’re not. Yogi Berra There are two ways to write error-free programs; only the third one works. Alan Perlis...
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