Found the following Rd file(s) with Rd \link{} targets missing package
anchors:
  CSCMatrix-class.Rd: dgCMatrix-class
  hashed.model.matrix.Rd: dgCMatrix-class
Please provide package anchors for all Rd \link{} targets not in the
package itself and the base packages.
Found the following Rd file(s) with Rd \link{} targets missing package
anchors:
  CSCMatrix-class.Rd: dgCMatrix-class
  hashed.model.matrix.Rd: dgCMatrix-class
Please provide package anchors for all Rd \link{} targets not in the
package itself and the base packages.
File ‘FeatureHashing/libs/FeatureHashing.so’:
  Found non-API call to R: ‘HASHTAB’

Compiled code should not call non-API entry points in R.

See ‘Writing portable packages’ in the ‘Writing R Extensions’ manual,
and section ‘Moving into C API compliance’ for issues with the use of
non-API entry points.
File ‘FeatureHashing/libs/FeatureHashing.so’:
  Found non-API call to R: ‘HASHTAB’

Compiled code should not call non-API entry points in R.

See ‘Writing portable packages’ in the ‘Writing R Extensions’ manual,
and section ‘Moving into C API compliance’ for issues with the use of
non-API entry points.
Found the following Rd file(s) with Rd \link{} targets missing package
anchors:
  CSCMatrix-class.Rd: dgCMatrix-class
  hashed.model.matrix.Rd: dgCMatrix-class
Please provide package anchors for all Rd \link{} targets not in the
package itself and the base packages.