41. Finns show very little if any Europeans are a mixture of 3 or more principal components . 42. Neutrons that have interacted with hydrogen, the principal component of water, should have distinctive energy levels. 43. The number of principal components is less than or equal to the number of original variables. 44. This is the result of the negative weights that resulted from the principal component analysis used. 45. It is conceptually similar to principal component analysis, but applies to categorical rather than continuous data. 46. Alternative approaches with similar goals include selection of the principal components based on association with the outcome. 47. The device consisted of three principal components . 48. The room is filled with objects, including eight that start up Bob's principal components when clicked on. 49. The higher dimensionality of the descriptor is reduced to 64 through principal components analysis ( PCA ). 50. IBM sometimes uses the same number for a system and for the principal component of that system.
