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.
Statements:
All Roses are Lotus
A few Lotus are Sunflower
No Sunflower are Tulip
Conclusions:
I. A few Tulip be...
In the questions given below there are three statements followed by three conclusions I, II and III. You have to take the three given statements to be ...
- Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance wi...
Statements:
Only a few Planet is Mars.
No Mars is Pluto.
Only Pluto is Saturn.
Conclusions:
I. Some Saturn can never ...
Select the number from among the given options that can replace the question mark ‘?’ in the following series.
19, 23, 31, 47, ‘?’, 143
Statements: All bulb are light.
                        No light is a tubelight.
Conclusions: I. Some light a...
- Statements:
Few Cars are Buses
Only a few Buses are Trains
All Trains are Helicopters
Conclusion:
I. Some Buses are... In the question below some statements are given followed by two conclusions I and II. You have to take the given statements to be true even if they see...
Statement:
Only a few radios are TVs
Only a few laptops are cables
All cables are TVs
Conclusion:
I. All laptop...
Statements:Â Â Â Â Â
No book is a pencil.
All books are boards.
All boards are dusters.
No eraser is a duster.
...