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Warning: package needs dependence on R

When checking a package, even on efficiently compressed data (i.e. using save(iris, file = "somedata.RData", version = 2, compress='xz') sometimes we see:

* checking data for ASCII and uncompressed saves ... WARNING
  Warning: package needs dependence on R (>= 2.10)

What does this mean and how can it be fixed?

Solution

  • You may be missing a declaration of which R version your package Depends on in DESCRIPTION

    In the case above where

    Warning: package needs dependence on R (>= 2.10)

    simply add this line to DESCRIPTION

    Depends: R (>= 2.10)