I just want to share that I had a blast at #positconf2025! Met so many wonderful people, and gave a talk for the first time. It was awesome!

TIL you can set different values of alpha based on categories on #ggplot2.

Set 'aes(alpha = categories_col)', and then use scale_alpha_manual() to set specific transparency proportions.

I used a lower alpha in order to visualize the most important categories here.

#rstats

TIL the parameter .before in mutate() from {dplyr}.

It adds the new column(s) created to the *beginning* of the dataframe, instead of to the end. Quite useful!

Source: #RforDataScience (2e)
(sometimes you should read stuff you think you already know)

#rstats

Now that we know Brazil has one of the most admixed populations in the world, make sure to have a look on our recently published paper on the validation of two #BreastCancer #PRS in a large cohort of Brazilians (N=15k)!

doi.org/10.3390/diag...

Are you interested in learning how to extract tables from PDFs using simple and effective R tools?

I’ll give a workshop next week as part of the Workshops for Ukraine initiative.

More details and registration here:
sites.google.com/view/dariia-...

#rstats