; this is made use of in the new utility function

This argument is useful for frameworks running package tests;

fractions of seconds on platforms/filesystems which support this.

timestamps including fractions of seconds; it has done so on other

record modification and access timestamps to sub-second

for analyzing package-check log files to

functions for obtaining the check status of these packages.

abbreviations than the default ones, e.g.

(From contributions by Henrik Bengtsson.)

If a reference class has a validity method,

default initialization method for reference classes.

allowing to change the previously hardcoded value.

The maximum number of DLLs that can be loaded into R

Assigning to an element of a vector beyond the current

length now over-allocates by a small fraction. The new vector is

marked internally as growable, and the true length of the new

building up a vector result by assigning to the next element

beyond the current length more efficient, though pre-allocating is

still preferred.  The implementation is subject to change and not

intended to be used in packages at this time.

NB: This can break reproducibility of output, and did for a

return value when the external command has a non-zero status.

executable files providing the BLAS/LAPACK implementations

currently in use (not available on Windows).

The binning algorithm used by bandwidth selectors

(The calculations are the same, but for larger

pattern.  Previously this was done for 11 or more input strings:

it now defaults to 10 or more (but most examples need many more

for the difference from studying to be noticeable).

platforms where JIT is supported.  It is used by default whenever

is studied (see the previous item).  (Based on

Note that in general this makes little difference to the speed,

and may take a little longer: its benefits are most evident on

strings of thousands of characters.  As a side effect it reduces

the chances of C stack overflow in the PCRE library on very long

strings (millions of characters, but see next item).