Registration problems:
  symbol ‘`_GauPro_Gaussian_devianceC`’ not in namespace:
   .Call(`_GauPro_Gaussian_devianceC`, theta, nug, X, Z)
  symbol ‘`_GauPro_Gaussian_deviance_part`’ not in namespace:
   .Call(`_GauPro_Gaussian_deviance_part`, theta, nug, X, Z, Kinv)
  symbol ‘`_GauPro_Gaussian_hessianCC`’ not in namespace:
   .Call(`_GauPro_Gaussian_hessianCC`, XX, X, Z, Kinv, mu_hat, theta)
  symbol ‘`_GauPro_cholC`’ not in namespace:
   .Call(`_GauPro_cholC`, x)
  symbol ‘`_GauPro_corr_gauss_matrixC`’ not in namespace:
   .Call(`_GauPro_corr_gauss_matrixC`, x, y, theta)
  symbol ‘`_GauPro_corr_gauss_matrix_symC`’ not in namespace:
   .Call(`_GauPro_corr_gauss_matrix_symC`, x, theta)
  symbol ‘`_GauPro_corr_gauss_matrix_sym_armaC`’ not in namespace:
   .Call(`_GauPro_corr_gauss_matrix_sym_armaC`, x, theta)
  symbol ‘`_GauPro_corr_gauss_matrixvecC`’ not in namespace:
   .Call(`_GauPro_corr_gauss_matrixvecC`, x, y, theta)
  symbol ‘`_GauPro_devianceC`’ not in namespace:
   .Call(`_GauPro_devianceC`, theta, nug, X, Z, K)
  symbol ‘`_GauPro_deviance_fngr_joint`’ not in namespace:
   .Call(`_GauPro_deviance_fngr_joint`, X, Z, K)
  symbol ‘`_GauPro_deviance_fngr_nug`’ not in namespace:
   .Call(`_GauPro_deviance_fngr_nug`, X, Z, K)
  symbol ‘`_GauPro_deviance_fngr_theta`’ not in namespace:
   .Call(`_GauPro_deviance_fngr_theta`, X, Z, K)
  symbol ‘`_GauPro_deviance_grad_joint`’ not in namespace:
   .Call(`_GauPro_deviance_grad_joint`, X, K, Kinv, y)
  symbol ‘`_GauPro_deviance_grad_nug`’ not in namespace:
   .Call(`_GauPro_deviance_grad_nug`, X, K, Kinv, y)
  symbol ‘`_GauPro_deviance_grad_theta`’ not in namespace:
   .Call(`_GauPro_deviance_grad_theta`, X, K, Kinv, y)
  symbol ‘`_GauPro_deviance_part`’ not in namespace:
   .Call(`_GauPro_deviance_part`, theta, nug, X, Z, Kinv)
  symbol ‘`_GauPro_pred_cov`’ not in namespace:
   .Call(`_GauPro_pred_cov`, XX, kxx, kx_xx, s2_hat, Kinv, Z)
  symbol ‘`_GauPro_pred_meanC`’ not in namespace:
   .Call(`_GauPro_pred_meanC`, XX, kx_xx, mu_hat, Kinv, Z)
  symbol ‘`_GauPro_pred_meanC_mumat`’ not in namespace:
   .Call(`_GauPro_pred_meanC_mumat`, XX, kx_xx, mu_hatX, mu_hatXX, 
       Kinv, Z)
  symbol ‘`_GauPro_pred_var`’ not in namespace:
   .Call(`_GauPro_pred_var`, XX, kxx, kx_xx, s2_hat, Kinv, Z)
  symbol ‘`_GauPro_rcpp_hello_world`’ not in namespace:
   .Call(`_GauPro_rcpp_hello_world`)
  symbol ‘`_GauPro_solveC`’ not in namespace:
   .Call(`_GauPro_solveC`, A, b)
See chapter ‘System and foreign language interfaces’ in the ‘Writing R
Extensions’ manual.