Registration problems:
  symbol ‘`_NPflow_FmeasureC`’ not in namespace:
   .Call(`_NPflow_FmeasureC`, pred, ref)
  symbol ‘`_NPflow_FmeasureC_no0`’ not in namespace:
   .Call(`_NPflow_FmeasureC_no0`, pred, ref)
  symbol ‘`_NPflow_Fmeasure_costC`’ not in namespace:
   .Call(`_NPflow_Fmeasure_costC`, c)
  symbol ‘`_NPflow_NuMatParC`’ not in namespace:
   .Call(`_NPflow_NuMatParC`, c, d)
  symbol ‘`_NPflow_mmNiWpdfC`’ not in namespace:
   .Call(`_NPflow_mmNiWpdfC`, Mu, Sigma, U_Mu0, U_Kappa0, U_Nu0, 
       U_Sigma0, Log)
  symbol ‘`_NPflow_mmsNiWpdfC`’ not in namespace:
   .Call(`_NPflow_mmsNiWpdfC`, xi, psi, Sigma, U_xi0, U_psi0, U_B0, 
       U_Sigma0, U_df0, Log)
  symbol ‘`_NPflow_mmvnpdfC`’ not in namespace:
   .Call(`_NPflow_mmvnpdfC`, x, mean, varcovM, Log)
  symbol ‘`_NPflow_mmvsnpdfC`’ not in namespace:
   .Call(`_NPflow_mmvsnpdfC`, x, xi, psi, sigma, Log)
  symbol ‘`_NPflow_mmvstpdfC`’ not in namespace:
   .Call(`_NPflow_mmvstpdfC`, x, xi, psi, sigma, df, Log)
  symbol ‘`_NPflow_mmvtpdfC`’ not in namespace:
   .Call(`_NPflow_mmvtpdfC`, x, mean, varcovM, df, Log)
  symbol ‘`_NPflow_mvnlikC`’ not in namespace:
   .Call(`_NPflow_mvnlikC`, x, c, clustval, mu, sigma, loglik)
  symbol ‘`_NPflow_mvnpdfC`’ not in namespace:
   .Call(`_NPflow_mvnpdfC`, x, mean, varcovM, Log)
  symbol ‘`_NPflow_mvsnlikC`’ not in namespace:
   .Call(`_NPflow_mvsnlikC`, x, c, clustval, xi, psi, sigma, loglik)
  symbol ‘`_NPflow_mvstlikC`’ not in namespace:
   .Call(`_NPflow_mvstlikC`, x, c, clustval, xi, psi, sigma, df, 
       loglik)
  symbol ‘`_NPflow_sampleClassC`’ not in namespace:
   .Call(`_NPflow_sampleClassC`, probMat, Log)
  symbol ‘`_NPflow_similarityMatC`’ not in namespace:
   .Call(`_NPflow_similarityMatC`, cc)
  symbol ‘`_NPflow_similarityMat_nocostC`’ not in namespace:
   .Call(`_NPflow_similarityMat_nocostC`, cc)
  symbol ‘`_NPflow_traceEpsC`’ not in namespace:
   .Call(`_NPflow_traceEpsC`, eps, sigma)
  symbol ‘`_NPflow_vclust2mcoclustC`’ not in namespace:
   .Call(`_NPflow_vclust2mcoclustC`, c)
See chapter ‘System and foreign language interfaces’ in the ‘Writing R
Extensions’ manual.