Data Mining with R

Which of these is correct about data mining?

• It is a procedure in which knowledge is mined from data.

• It involves processes like Data Transformation, Data Integration, Data Cleaning.

• It is a procedure using which one can extract information out of huge sets of data.

• All of the above

Which industry can benefit from data mining?

• Retail

• Manufacturing

• Finance/Banking

•   All of these

What is data visualization?

• The technical term for the act of data being stored in a server

•   A structured and developed prediction of data results

• The visual interpretation of complex relationships in multidimensional data

• None of the above

Which of the following is not a type of association rule mining algorithm?

• Apriori algorithm

• FP-growth algorithm

• Eclat algorithm

• K-nearest neighbors algorithm

Which of the following is not a type of data preprocessing technique?

• Sampling

• Normalization

• Standardization

• Principal component analysis

Which of the following is not a type of data exploration technique?

• Descriptive statistics
  

• Inferential statistics
  

• Visualization
  

• Clustering

R files has an extension ______

• a) .R
  

• b) .S
  

• c) .Rp
  

• d) .c

What is the mode of ‘a’ in the following R code?

• Numeric
  

• Character
  

• Integer
  

• Logical

............. is used to quit the R program

• q()

• p()

• both q() and p()

• None of the above

_________ function is used to watch for all available packages in library.

• a) lib()
  

• b) fun.lib()
  

• c) libr()
  

• d) library()