Imagine that we have a treatment that we give to five different groups of individuals. Each individual has a variable response which as a unique mean and variance based on the treatment. We do not know how the means will change but we belie...

Imagine that we have a treatment that we give to five different groups of individuals. Each individual has a variable response which as a unique mean and variance based on the treatment. We do not know how the means will change but we belie...

(This article was first published on Econometrics by Simulation, and kindly contributed to R-bloggers) It is time Rdata files become the primary means of disseminating publicly available data online.1. R is the most efficient Statistical software at compressing dataI was recently attempting to download weather data from the US government and found myself stymied because the dataset I wanted...

In serveral previous posts I have posted shiny applications which temporarily store data on shiny servers such as hit counters or the survey tool which I created, These do not work in the long term since shiny will restart its servers without war...

It is common for researchers to be concerned about unobserved effects being correlated with observed explanatory variables.For instance, if we were curious about the effect of meditation on emotional stability we may be concerned that there might be so...