Functions that solve initial value problems of a system
        of first-order ordinary differential equations ('ODE'), of
        partial differential equations ('PDE'), of differential
        algebraic equations ('DAE'), and of delay differential
        equations.  The functions provide an interface to the FORTRAN
        functions 'lsoda', 'lsodar', 'lsode', 'lsodes' of the 'ODEPACK'
        collection, to the FORTRAN functions 'dvode', 'zvode' and 'daspk'
        and a C-implementation of solvers of the 'Runge-Kutta' family with
        fixed or variable time steps.  The package contains routines
        designed for solving 'ODEs' resulting from 1-D, 2-D and 3-D
        partial differential equations ('PDE') that have been converted
        to 'ODEs' by numerical differencing.

Generate motivational quotes and Shakespearean word combinations (bard–bits) that a user can consider for their personal projects. Each of the package functions takes two arguments, cat which default to any, and a a numeric or character seed to ensure reproducible results.

A function for plotting maps of agricultural field experiments that are laid out in grids.  See Ryder (1981) <doi:10.1017/S0014479700011601>.

Builds both ROC (Receiver Operating Characteristic) and DET (Detection Error Tradeoff) curves from a set of predictors, which are the
    results of a binary classification system. The curves give a general vision of the performance of the classifier,
    and are useful for comparing performance of different systems.

Create a details HTML tag around R objects to place
    in a Markdown, 'Rmarkdown' and 'roxygen2' documentation.

Models for analyzing site occupancy and count data models
  with detection error, including 
  single-visit based models (Lele et al. 2012 <doi:10.1093/jpe/rtr042>, 
  Moreno et al. 2010 <doi:10.1890/09-1073.1>,
  Solymos et al. 2012 <doi:10.1002/env.1149>,
  Denes et al. 2016 <doi:10.1111/1365-2664.12818>),
  conditional distance sampling and time-removal models (QPAD)
  (Solymos et al. 2013 <doi:10.1111/2041-210X.12106>,
  Solymos et al. 2018 <doi:10.1650/CONDOR-18-32.1>),
  and single bin QPAD (SQPAD) models
  (Lele & Solymos 2025 <doi:10.1093/ornithapp/duaf078>).
  Package development was supported by the
  Alberta Biodiversity Monitoring Institute
  and the Boreal Avian Modelling Project.