BA06 Advanced Analytics Using R

WARNING - Clicking on the "SUBMIT ASSIGNMENT" button will submit the Assignment. Be sure that you have reviewed your answers before clicking it. Attempt all the questions. All questions are compulsory. Each question carries 4 marks. There is No Negative Marking for wrong answer/s. Please note: There are 25 questions out of which Q.No.21-25 are based on the Case Study. Subject Code: BA06 Subject Name: ADVANCED ANALYTICS USING R (PREDICTIVE MODELING) Component name: TERM END SAVE ASSIGNMENT Question 1:- Which function checks for sample adequacy in PCA? a)           psych                        b)         KMO                        c)         e.values                        d)         fa                        Question 2:- Which argument specifies number of factors in PCA? a)           nfactor                        b)         n                        c)         nfactors                        d)         principal                        Question 3:- Which function is used to find communalities in PCA? a)         communaliity                        b)         communalities                        c)         comm                        d)         communality                        Question 4:- Which package is used for PCA? a)         psych                        b)         rattle                        c)         rpart                        d)         lm                        Question 5:- Which function is used to find factor loadings in PCA? a)           loading                        b)         loadings                        c)         load                        d)         components                        Question 6:- Which function is used to create distance matrix in Clustering? a)   distance                        /

  dist                       

  euc                          euclidean                       

Question 7:- Which method is used to create similarity matrix?

  Euclidean                       

  Pythogras                       

  Scale                       

  Distance                       

Question 8:- Which graph is helpful in cluster analysis?

  Box Plot                       

  Heat Map                        

  Dendogram                       

  Histogram                       

Question 9:- Which function is used in cluster analysis?

  hclust                          str                       

  layers                          minsplit                       

Question 10:- In ANN which process is used to scale variables?

  Standardization                       

  Normalization                        

  Scaling                       

  All of the above                       

Question 11:- Which function is used to scale variables in Cluster Analysis?

  scale                          scaled                       

  scaling                          scales                       

Question 12:- Which argument specifies size of training and testing dataset?

  prob                          c                       

  set.seed                          replace                       

Question 13:- Which function in Text Analytics is used to generate word cloud?

  RColorBrewer                          snowballc                       

  tm                       

  wordcloud                       

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:

  Continuous variable                       

  Categorical variable                       

  Both continuous and categorical                       

  None of the above                       

Question 16:- Function to draw best fit line in Time series data:

  ols()                          abline()                       

  lm()                          glm()                       

Question 17:- Package used in Text mining to remove unwanted characters:

  ggplot2                          snowballc                        

  tm                          wordcloud                       

Question 18:- The package needed to import spss file in R is:

  stats                          foreign                       

  xlsx                          statistics                        

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:

  ts                          mts                       

  tp                       

  mtp                       

Case Study

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?

a)         age                        b)         gender                        c)         FICO                         d)         term                        Question 22:- Which function in R is used to import data? a)         read.txt                        b)         read.csv                        c)         read.delimited                        d)         import                        Question 23:- What is the data type of variable term? a)         integer                        b)         numeric                        c)         factor                        d)         string                        Question 24:- How many missing values are their in data? a)           Nil                        b)         2                        c)         3                        d)         4                        Question 25:- How many rules are their in the tree which makes a customer delinquent? a)           1                        b)         3                        c)         2                        d)         4

---

Want to order fresh copy of the Sample Template Answers? online or do you need the old solutions for Sample Template, contact our customer support or talk to us to get the answers of it.

---