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shinymetatest's Issues

Avoid as.formula()

The following is a security vulnerability (if you're curious why, run lm(as.formula("1 ~ system('ls')"))):

as.formula(paste("AVAL", paste(input$select_regressor, collapse = " + "), sep = " ~ "))

It'd be safer to do something like this:

library(rlang)
preds <- Reduce(function(x, y) call("+", x, y), syms(input$select_regressor))
new_formula(sym("AVAL"), preds)

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