Making sure R package versions stay the same when deploying Docker containers to production is a nightmare. When you install.packages(), the newest version and its dependencies are installed, potentially messing up your carefully crafted pipeline. To make package versions predictable, I show how I try to make this a reality using the wonderful renv package.
Insert changes into deep commits
A quick guide on how to do a fixup, inserting changes into a "deep" commit
read moreVectorizing functions in R is easy
Imagine you have a function that only takes one argument, but you would really like to work on a vector of values. A short example on how function
Vectorize()can accomplish this. Let's say we have adata.frameread morexy <- data.frame(sample = c("C_pre_sample1", "C_post_sample1", "T_pre_sample2", "T_post_sample2", "NA_pre_sample1"), value …How I implemented googleSignIn in R (shiny) and lived
Known user identity when building shiny apps can sometimes come really handy. While you can implement your own user login, for instance using cookies, you can also use some of the services which authenticate a user for you, such as Google. This way, you don't have to handle cookies or …
read moreHow to authenticate using OAuth2 through R
If you need to have authentication of users in your application, you could invent the proverbial warm water by implementing register, login, logout and other features. Or, you could outsource part of that functionality to well established establishments such as Google, Facebook, Github and other. In addition to knowing the …
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