Question 1:- Which function checks for sample adequacy in PCA? a) psych
Question 2:- Which argument specifies number of factors in PCA? a) nfactor
Question 3:- Which function is used to find communalities in PCA?
Question 4:- Which package is used for PCA?
Question 5:- Which function is used to find factor loadings in PCA?
Question 6:- Which function is used to create distance matrix in Clustering?
Question 7:- Which method is used to create similarity matrix?
Question 8:- Which graph is helpful in cluster analysis?
Question 9:- Which function is used in cluster analysis?
Question 10:- In ANN which process is used to scale variables?
All of the above
Question 11:- Which function is used to scale variables in Cluster Analysis?
Question 12:- Which argument specifies size of training and testing dataset?
Question 13:- Which function in Text Analytics is used to generate word cloud?
Question 14:- Which function in Text Analytics is used to import text document in R?
Corpus readLines Read tm
Question 15:- CART decision tree is used to predict:
Both continuous and categorical
None of the above
Question 16:- Function to draw best fit line in Time series data:
Question 17:- Package used in Text mining to remove unwanted characters:
Question 18:- The package needed to import spss file in R is:
Question 19:- In PCA which plot gives optimum number of components?
pie chart bar plot
histogram scree plot
Question 20:- Univariate time series is represented by class:
Download the data set data.csv. Make the CART model in R and answer the following questions:
Question 21:- Which is the most significant variable in predicting delinquency?
Question 22:- Which function in R is used to import data?
Question 23:- What is the data type of variable term?
Question 24:- How many missing values are their in data?
Question 25:- How many rules are their in the tree which makes a customer delinquent?
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