does isomap use pca does isomap do pca can isomap be used for pca? does isomap have pca function does isomap give possible new bases does ismap give possible new bases what is difference between pca and isomap does isomap give possible new bases why run isomap does isomap give possible new bases for each experiment? does isomap give possible different bases with respect to importance order does isomap give possible new bases with respect to importance order as pca does isomap have importance does isomap give possible new bases with respect to importance order? how to determine whether a feature will be included in isomap does isomap give possible new bases with respect to importance order? does isomap give probable new bases does isomap provide different base types how to find possible new bases in isomap does isomap use pca?