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A general description is here.
‘type.convert()’ (hence ‘read.table()’) returns a character vectors or factor when representing a numeric input as a double would lose accuracy. Similarly for complex inputs.
‘chol(pivot = TRUE, LINPACK = TRUE)’ is defunct.
‘chol(LINPACK = TRUE)’, ‘ch2inv(LINPACK = TRUE)’, ‘eigen(EISPACK = TRUE)’, ‘solve(LINPACK = TRUE)’ and ‘svd(LINPACK = TRUE)’ use LAPACK and no longer warn.
‘chol(pivot = TRUE, LINPACK = TRUE)’ is defunct.
Arguments ‘EISPACK’ for ‘eigen()’ and ‘LINPACK’ for ‘chol()’, ‘ch2inv()’, ‘solve()’ and ‘svd()’ are ignored: LAPACK is always used.
Partial matching when using the ‘$’ operator on data frames now throws a warning and may become defunct in the future. If partial matching is intended, replace ‘foo$bar’ with ‘foo[["bar", exact=FALSE]]’.