.pst2paramfiles: no visible global function definition for
  ‘write.table’
.pst2paramranges: no visible global function definition for
  ‘write.table’
.read_observations: no visible global function definition for
  ‘read.table’
.read_paramfiles: no visible global function definition for
  ‘read.table’
.read_paramranges: no visible global function definition for
  ‘read.table’
ComputeSwarmRadiusAndDiameter: no visible global function definition
  for ‘median’
InitializateV: no visible global function definition for ‘runif’
Random.Bounded.Matrix: no visible global function definition for
  ‘runif’
Random.Topology.Generation: no visible global function definition for
  ‘runif’
RegroupingSwarm: no visible global function definition for ‘runif’
alea.normal: no visible global function definition for ‘runif’
alea.sphere: no visible global function definition for ‘rnorm’
alea.sphere: no visible global function definition for ‘runif’
compute.veloc: no visible global function definition for ‘runif’
hydroPSO: no visible global function definition for ‘modifyList’
hydroPSO: no visible global function definition for
  ‘installed.packages’
hydroPSO: no visible global function definition for ‘ls.str’
hydroPSO: no visible global function definition for ‘sessionInfo’
hydroPSO: no visible global function definition for ‘runif’
hydroPSO: no visible global function definition for ‘colorRampPalette’
hydroPSO: no visible global function definition for ‘write.table’
hydroPSO: no visible global function definition for ‘window’
hydromod: no visible global function definition for ‘sessionInfo’
hydromod: no visible global function definition for ‘modifyList’
hydromod: no visible global function definition for ‘window’
hydromod: no visible global function definition for ‘png’
hydromod: no visible global function definition for
  ‘installed.packages’
hydromod: no visible global function definition for ‘ggof’
hydromod: no visible global function definition for ‘dev.off’
hydromod.eval: no visible global function definition for ‘modifyList’
hydromod.eval.SA: no visible global function definition for
  ‘modifyList’
lhoat: no visible global function definition for ‘modifyList’
lhoat: no visible global function definition for ‘ls.str’
lhoat: no visible global function definition for ‘sessionInfo’
lhoat: no visible global function definition for ‘rnorm’
lhoat: no visible global function definition for ‘write.table’
params2ecdf.default: no visible global function definition for ‘png’
params2ecdf.default: no visible global function definition for
  ‘dev.new’
params2ecdf.default: no visible global function definition for ‘par’
params2ecdf.default: no visible global function definition for ‘Axis’
params2ecdf.default: no visible global function definition for ‘abline’
params2ecdf.default: no visible global function definition for
  ‘approxfun’
params2ecdf.default: no visible global function definition for ‘legend’
params2ecdf.default: no visible global function definition for ‘mtext’
params2ecdf.default: no visible global function definition for
  ‘dev.off’
pest2hydroPSO: no visible global function definition for ‘read.table’
pest2hydroPSO: no visible global function definition for ‘write.table’
plot_2parOF: no visible global function definition for
  ‘colorRampPalette’
plot_2parOF: no visible global function definition for
  ‘installed.packages’
plot_2parOF: no visible global function definition for ‘fivenum’
plot_GofPerParticle: no visible global function definition for
  ‘rainbow’
plot_GofPerParticle: no visible global function definition for ‘png’
plot_GofPerParticle: no visible global function definition for ‘par’
plot_GofPerParticle: no visible global function definition for ‘plot’
plot_GofPerParticle: no visible global function definition for ‘mtext’
plot_GofPerParticle: no visible global function definition for ‘lines’
plot_GofPerParticle: no visible global function definition for
  ‘dev.off’
plot_NparOF: no visible global function definition for
  ‘colorRampPalette’
plot_NparOF: no visible global function definition for ‘quantile’
plot_ParamsPerIter.data.frame: no visible global function definition
  for ‘rainbow’
plot_ParamsPerIter.default: no visible global function definition for
  ‘rainbow’
plot_ParamsPerIter.default: no visible global function definition for
  ‘png’
plot_ParamsPerIter.default: no visible global function definition for
  ‘par’
plot_ParamsPerIter.default: no visible global function definition for
  ‘plot’
plot_ParamsPerIter.default: no visible global function definition for
  ‘mtext’
plot_ParamsPerIter.default: no visible global function definition for
  ‘dev.off’
plot_ParamsPerIter.matrix: no visible global function definition for
  ‘rainbow’
plot_convergence: no visible global function definition for ‘png’
plot_convergence: no visible global function definition for ‘par’
plot_convergence: no visible global function definition for ‘plot’
plot_convergence: no visible global function definition for ‘grid’
plot_convergence: no visible global function definition for ‘axis’
plot_convergence: no visible global function definition for ‘mtext’
plot_convergence: no visible global function definition for ‘legend’
plot_convergence: no visible global function definition for ‘dev.off’
plot_out: no visible global function definition for
  ‘installed.packages’
plot_out: no visible global function definition for ‘png’
plot_out: no visible global function definition for ‘lm’
plot_out: no visible global function definition for ‘plot’
plot_out: no visible global function definition for ‘grid’
plot_out: no visible global function definition for ‘abline’
plot_out: no visible global function definition for ‘cor’
plot_out: no visible global function definition for ‘legend’
plot_out: no visible global function definition for ‘zoo’
plot_out: no visible global function definition for ‘ggof’
plot_out: no visible global function definition for ‘dev.off’
plot_params.default: no visible global function definition for ‘png’
plot_params.default: no visible global function definition for ‘par’
plot_params.default: no visible global function definition for ‘plot’
plot_params.default: no visible global function definition for ‘abline’
plot_params.default: no visible global function definition for ‘axis’
plot_params.default: no visible global function definition for ‘lines’
plot_params.default: no visible global function definition for ‘hist’
plot_params.default: no visible global function definition for
  ‘boxplot’
plot_params.default: no visible global function definition for
  ‘vioplot’
plot_params.default: no visible global function definition for
  ‘hydropairs’
plot_params.default: no visible global function definition for ‘mtext’
plot_params.default: no visible global function definition for
  ‘dev.off’
plot_particles: no visible global function definition for
  ‘colorRampPalette’
plot_particles: no visible global function definition for ‘dev.new’
plot_particles: no visible global function definition for ‘rainbow’
plot_particles: no visible global function definition for ‘png’
plot_particles: no visible global function definition for ‘dev.off’
plot_results: no visible global function definition for
  ‘colorRampPalette’
plot_results: no visible global function definition for ‘dev.new’
plot_results: no visible global function definition for ‘rainbow’
plot_results: no visible global function definition for ‘time’
position.update.and.boundary.treatment: no visible global function
  definition for ‘runif’
quant2ecdf.default: no visible global function definition for ‘par’
quant2ecdf.default: no visible global function definition for
  ‘quantile’
quant2ecdf.default: no visible global function definition for ‘Axis’
quant2ecdf.default: no visible global function definition for ‘abline’
quant2ecdf.default: no visible global function definition for
  ‘approxfun’
quant2ecdf.default: no visible global function definition for ‘legend’
quant2ecdf.default: no visible global function definition for ‘mtext’
read.paramfile: no visible global function definition for ‘read.table’
read_GofPerParticle: no visible global function definition for
  ‘read.table’
read_GofPerParticle: no visible global function definition for
  ‘rainbow’
read_best: no visible global function definition for ‘read.table’
read_convergence: no visible global function definition for
  ‘read.table’
read_out: no visible global function definition for ‘read.table’
read_out: no visible global function definition for
  ‘installed.packages’
read_out: no visible global function definition for ‘time’
read_params.default: no visible global function definition for
  ‘read.table’
read_particles: no visible global function definition for
  ‘colorRampPalette’
read_particles: no visible global function definition for ‘read.table’
sackley: no visible global function definition for ‘runif’
sgriewank: no visible global function definition for ‘runif’
srastrigin: no visible global function definition for ‘runif’
srosenbrock: no visible global function definition for ‘runif’
sschwefel1_2: no visible global function definition for ‘runif’
ssphere: no visible global function definition for ‘runif’
verification: no visible global function definition for ‘modifyList’
verification: no visible global function definition for ‘sessionInfo’
wquantile: no visible global function definition for ‘txtProgressBar’
wquantile : <anonymous>: no visible global function definition for
  ‘setTxtProgressBar’
Undefined global functions or variables:
  Axis abline approxfun axis boxplot colorRampPalette cor dev.new
  dev.off fivenum ggof grid hist hydropairs installed.packages legend
  lines lm ls.str median modifyList mtext par plot png quantile rainbow
  read.table rnorm runif sessionInfo setTxtProgressBar time
  txtProgressBar vioplot window write.table zoo
Consider adding
  importFrom("grDevices", "colorRampPalette", "dev.new", "dev.off",
             "png", "rainbow")
  importFrom("graphics", "Axis", "abline", "axis", "boxplot", "grid",
             "hist", "legend", "lines", "mtext", "par", "plot")
  importFrom("stats", "approxfun", "cor", "fivenum", "lm", "median",
             "quantile", "rnorm", "runif", "time", "window")
  importFrom("utils", "installed.packages", "ls.str", "modifyList",
             "read.table", "sessionInfo", "setTxtProgressBar",
             "txtProgressBar", "write.table")
to your NAMESPACE file.