of higher dimension thanks to the patch proposal by Gabe Becker in

deprecated and replaced by the (more general) argument

to typically more easily readable error messages.

vector of class names used for S3 method dispatch.

robustness consistency.  If exact computations are used, the

where the latter may be used for stability to

fixed with care as the old undocumented behavior was to swap

implemented default method, and gains arguments to generate more

complex sequences.  Based on code from the

Bioconductor package and the advice of Hervé Pagès.

's default method and many other methods (by

calling the default eventually and passing

. These should replace the unfortunately named

replacements, but also add named-margin functionality. The old

function names are retained as aliases for back-compatibility.

when the numbers would have been outside the integer range,

now return double vectors (without NAs, typically) in these cases.

now allows customizing error messages via

argument names, thanks to a patch proposal by Neal Fultz in

wildcard and tilde expansion.  Elements of

interface extended so that arguments to the negative

log-likelihood function can be one or more vectors, with similar

conventions applying to bounds, start values, and parameter values

to be kept fixed.  This required a minor extension to class

, so saved objects from earlier versions may need to

The default order of the levels on the y-axis for

to avoid warnings about X11-related capabilities.

but the only visible effects at user-level should be

a slightly different print format for some units

faster performance (for unit operations) and

Based on code contributed by Thomas Lin Pedersen.

fails, there is an attempt to dispatch on the

which typically ensures 1:1 invertibility.  New option

locale-independent results for possible string-to-factor

A server socket connection, a new connection type

representing a listening server socket, is created via

and can accept multiple socket connections

with many nodes has been significantly reduced

global condition handlers.  This allows registering default