ernatively, a nonnegative integer
specifying the order m can be given and is
passed as <code>Lfdobj</code> argument to the function <code>fdPar</code>,
which indicates that the derivative of order m is penalized.
Default value is 2, which means that the
integrated squared second derivative is penalized.</p></dd>


<dt>lambda</dt>
<dd><p>A non-negative real number.
If you want to use a single specified smoothing parameter
for all functional data objects in the dataset,
this argument is passed to the function