Question
Which of the following techniques is used for
dimensionality reduction while preserving the data's variance?Solution
Principal component analysis, or PCA, is a dimensionality reduction method that is often used to reduce the dimensionality of large data sets, by transforming a large set of variables into a smaller one that still contains most of the information in the large set.
There are five persons J, K, L, M, and N, who live in a 5-storey building such that bottommost floor of the building is marked as 1, floor above it is ...
Four of the following five are alike in a certain way and hence form a group. Which is the one that does not belong to the group?
Which of the following combinations is true with respect to the given arrangement?
How many persons likes between the one, who likes Grapes and the one, who has Green colour?
Which of the following statement(s) is true with respect to team which plays Y?
Which of the following boxes is placed between box Y and box W?
Which is the odd man out?
Who lives immediately above T?
Who among the following is the second youngest?
Which of the following combination is correct?