Structured Data Classification MCQ's

1.  Identify the structured data from the following.

   View Answer   

   Data from mySQL DB and Excel

2. What kind of classification is our case study 'Churn Analysis'?

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   Binary 

3. Which command is used to identify the unique values of a column?

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   unique()

4. Which preprocessing technique is used to make the data gaussian with zero mean and unit variance?

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   Standardisation

5. Cross-validation technique is used to evaluate a classifier by dividing the data set into training set to train the classifier and testing set to test the same.

   View Answer   

   True 

Advanced Time Series Analysis MCQ's

1.  An Ideal ACF plot will increase exponentially ?

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   False

2.The Partial Auto Correlation Function is useful in detecting the Order of AR process.

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   True

3.  Non Stationary Time series will have a declining effect ?

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   False

Structured Data MCQ's

1.  Identify the structured data from the following

   View Answer   

   Data from mySQL DB and Excel

2. What kind of classification is our case study 'Churn Analysis'?

   View Answer   

   Binary

3. Which command is used to identify the unique values of a column?

   View Answer   

   unique()

4. Which preprocessing technique is used to make the data gaussian with zero mean and unit variance?

   View Answer   

   Standardization

5. True Negative is when the predicted instance and the actual is positive.

   View Answer   

   False

Advanced Statistics and Probability MCQ's

1.  What are the features of multivariate random variable?

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   BOTH

2.  If time space or state space is discrete, ___________.

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   Markov process can be termed as discrete-time Markov chains

3.  What are kernels?

   View Answer   

   Small