High-dimensional tests for spherical location and spiked covariance.
Christophe LeyDavy PaindaveineThomas VerdeboutPublished in: J. Multivar. Anal. (2015)
Keyphrases
- high dimensional
- low dimensional
- similarity search
- high dimensional data
- multi dimensional
- location information
- covariance matrices
- dimensionality reduction
- high dimensionality
- variable selection
- high dimensional spaces
- feature space
- nearest neighbor
- feature selection
- sparse data
- covariance matrix
- unit sphere
- star shaped
- spherical harmonics
- location based services
- data points
- multiscale