Package check result: NOTE

Check: CRAN incoming feasibility, Result: NOTE
  Maintainer: ‘Fred Viole <ovvo.financial.systems@gmail.com>’
  
  Found the following (possibly) invalid URLs:
    URL: https://www.amazon.com/dp/1490523995/ref=cm_sw_su_dp (moved to https://www.amazon.com/Nonlinear-Nonparametric-Statistics-Partial-Moments/dp/1490523995)
      From: man/Co.LPM.Rd
            man/Co.UPM.Rd
            man/D.LPM.Rd
            man/D.UPM.Rd
            man/LPM.Rd
            man/LPM.VaR.Rd
            man/LPM.ratio.Rd
            man/NNS.ANOVA.Rd
            man/NNS.ARMA.Rd
            man/NNS.ARMA.optim.Rd
            man/NNS.CDF.Rd
            man/NNS.VAR.Rd
            man/NNS.caus.Rd
            man/NNS.dep.Rd
            man/NNS.diff.Rd
            man/NNS.moments.Rd
            man/NNS.norm.Rd
            man/NNS.nowcast.Rd
            man/NNS.part.Rd
            man/NNS.reg.Rd
            man/NNS.seas.Rd
            man/NNS.term.matrix.Rd
            man/PM.matrix.Rd
            man/UPM.Rd
            man/UPM.ratio.Rd
            man/dy.d_.Rd
            man/dy.dx.Rd
            inst/doc/NNSvignette_Classification.html
            inst/doc/NNSvignette_Clustering_and_Regression.html
            inst/doc/NNSvignette_Correlation_and_Dependence.html
            inst/doc/NNSvignette_Forecasting.html
            inst/doc/NNSvignette_Partial_Moments.html
            README.md
      Status: 301
      Message: Moved Permanently
    URL: https://www.ssrn.com/abstract=2148482
      From: inst/doc/NNSvignette_Partial_Moments.html
      Status: 403
      Message: Forbidden
    URL: https://www.ssrn.com/abstract=2148522
      From: inst/doc/NNSvignette_Classification.html
            inst/doc/NNSvignette_Clustering_and_Regression.html
            inst/doc/NNSvignette_Correlation_and_Dependence.html
      Status: 403
      Message: Forbidden
    URL: https://www.ssrn.com/abstract=2186471
      From: inst/doc/NNSvignette_Partial_Moments.html
            README.md
      Status: 403
      Message: Forbidden
    URL: https://www.ssrn.com/abstract=2285041
      From: man/NNS.meboot.Rd
      Status: 403
      Message: Forbidden
    URL: https://www.ssrn.com/abstract=2745308
      From: man/NNS.copula.Rd
            inst/doc/NNSvignette_Correlation_and_Dependence.html
      Status: 403
      Message: Forbidden
    URL: https://www.ssrn.com/abstract=2861339
      From: inst/doc/NNSvignette_Classification.html
            inst/doc/NNSvignette_Clustering_and_Regression.html
      Status: 403
      Message: Forbidden
    URL: https://www.ssrn.com/abstract=2864711
      From: man/NNS.boost.Rd
            man/NNS.stack.Rd
            inst/doc/NNSvignette_Classification.html
            inst/doc/NNSvignette_Clustering_and_Regression.html
      Status: 403
      Message: Forbidden
    URL: https://www.ssrn.com/abstract=3002675
      From: man/NNS.FSD.Rd
            man/NNS.FSD.uni.Rd
            man/NNS.SD.efficient.set.Rd
            inst/doc/NNSvignette_Comparing_Distributions.html
      Status: 403
      Message: Forbidden
    URL: https://www.ssrn.com/abstract=3007373
      From: man/LPM.ratio.Rd
            man/NNS.ANOVA.Rd
            man/NNS.CDF.Rd
            inst/doc/NNSvignette_Comparing_Distributions.html
            inst/doc/NNSvignette_Partial_Moments.html
            inst/doc/NNSvignette_Sampling.html
      Status: 403
      Message: Forbidden
    URL: https://www.ssrn.com/abstract=3010414
      From: inst/doc/NNSvignette_Correlation_and_Dependence.html
            inst/doc/NNSvignette_Sampling.html
      Status: 403
      Message: Forbidden
    URL: https://www.ssrn.com/abstract=3382300
      From: man/NNS.ARMA.Rd
            man/NNS.VAR.Rd
            inst/doc/NNSvignette_Forecasting.html
      Status: 403
      Message: Forbidden
    URL: https://www.ssrn.com/abstract=3457377
      From: man/PM.matrix.Rd
            inst/doc/NNSvignette_Partial_Moments.html
      Status: 403
      Message: Forbidden
    URL: https://www.ssrn.com/abstract=3489550
      From: man/NNS.VAR.Rd
            man/NNS.nowcast.Rd
            inst/doc/NNSvignette_Forecasting.html
      Status: 403
      Message: Forbidden
    URL: https://www.ssrn.com/abstract=3589816
      From: man/NNS.VAR.Rd
            man/NNS.nowcast.Rd
      Status: 403
      Message: Forbidden
    URL: https://www.ssrn.com/abstract=3621614
      From: man/NNS.MC.Rd
            man/NNS.meboot.Rd
            inst/doc/NNSvignette_Sampling.html
      Status: 403
      Message: Forbidden
    URL: https://www.ssrn.com/abstract=3681104
      From: man/dy.d_.Rd
      Status: 403
      Message: Forbidden
  For content that is 'Moved Permanently', please change http to https,
  add trailing slashes, or replace the old by the new URL.

No changes to worse in reverse depends.