Download JNTUH (JNTU Hyderabad) MBA First Year (1st Semester) 2018 Jan Foundations of Data Science Question Paper.
HallTicketNo QuestionPaperCode:BCS001
J a w a h a r l a l N e hr u T e c h n ol o g i c a l U n i v e r s i t y H yd e r a b a d
.
M.TechISemesterEndExaminations(Regular)-January,2018
Regulation: .?R16
FOUNDATIONSOFDATASCIENCES
(ComputerScienceandEngineering)
Time: 3Hours MaxMarks: 70
AnswerONEQuestionfromeachUnit
AllQuestionsCarryEqualMarks
Allpartsofthequestionmustbeansweredinoneplaceonly
UNIT?I
1. (a) Describetherolesandresponsibilitiesinadatascienceproject. [7M]
(b) WriteanRscripttodisplayFibonaccisequenceusingrecursion. [7M]
2. (a) WhatisthebasicsyntaxforcreatingamatrixinR.WritetheRscripttoaccesstheelementsof
amatrix. [7M]
(b) WritetheRscripttoperformaddition,subtraction,multiplication,divisionoperationsonma-
trices. [7M]
UNIT?II
3. (a) CreateaXML?lewithemployeeid,name,andsalary,joindate,deptfor10employees. [7M]
(b) WriteanRscripttogetnumberofnodespresentinXML?lecreatedabove. [7M]
4. (a) CreateaJSON?lewithemployeeid,name,andsalary,joindate,deptfor10employees. [7M]
(b) WriteanRscripttoreadtheXML?lecreatedinAintoRbyinstallingappropriatepackages
required. [7M]
UNIT?III
5. (a) DiscussNa?veBayesmemorizationmethodswithitsapplications. [7M]
(b) WhatisK-foldcross-validationandexplainbytakingadatasetasexample? [7M]
6. (a) Discussaboutclusteringindetail?Elaboratekmeansalgorithm.WriteaRScripttoimplement
Manhattandistance [7M]
(b) Listthedi?erenttypesofclustering. Writeaboutk-nnalgorithm. WriteaRScripttocluster
themtcarsdatasetusingk-nnalgorithm. [7M]
Page1of2
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HallTicketNo QuestionPaperCode:BCS001
J a w a h a r l a l N e hr u T e c h n ol o g i c a l U n i v e r s i t y H yd e r a b a d
.
M.TechISemesterEndExaminations(Regular)-January,2018
Regulation: .?R16
FOUNDATIONSOFDATASCIENCES
(ComputerScienceandEngineering)
Time: 3Hours MaxMarks: 70
AnswerONEQuestionfromeachUnit
AllQuestionsCarryEqualMarks
Allpartsofthequestionmustbeansweredinoneplaceonly
UNIT?I
1. (a) Describetherolesandresponsibilitiesinadatascienceproject. [7M]
(b) WriteanRscripttodisplayFibonaccisequenceusingrecursion. [7M]
2. (a) WhatisthebasicsyntaxforcreatingamatrixinR.WritetheRscripttoaccesstheelementsof
amatrix. [7M]
(b) WritetheRscripttoperformaddition,subtraction,multiplication,divisionoperationsonma-
trices. [7M]
UNIT?II
3. (a) CreateaXML?lewithemployeeid,name,andsalary,joindate,deptfor10employees. [7M]
(b) WriteanRscripttogetnumberofnodespresentinXML?lecreatedabove. [7M]
4. (a) CreateaJSON?lewithemployeeid,name,andsalary,joindate,deptfor10employees. [7M]
(b) WriteanRscripttoreadtheXML?lecreatedinAintoRbyinstallingappropriatepackages
required. [7M]
UNIT?III
5. (a) DiscussNa?veBayesmemorizationmethodswithitsapplications. [7M]
(b) WhatisK-foldcross-validationandexplainbytakingadatasetasexample? [7M]
6. (a) Discussaboutclusteringindetail?Elaboratekmeansalgorithm.WriteaRScripttoimplement
Manhattandistance [7M]
(b) Listthedi?erenttypesofclustering. Writeaboutk-nnalgorithm. WriteaRScripttocluster
themtcarsdatasetusingk-nnalgorithm. [7M]
Page1of2
UNIT?IV
7. (a)Comparevariouslearningalgorithmsindetailandexplainthemwithformulas. [7M]
(b)Describenullhypothesisandalternativehypothesiswithexamples.Whatisp-valueandgiveits
importance. [7M]
8. (a)DescribethebasicstructureofbackpropagationANNalgorithm. Elaborateeachlayerimpor-
tanceanderrorpropagationfunction. [7M]
(b)Describethebasicprincipleofsamplingtheorywithsomeapplications. [7M]
UNIT?V
9. (a)Howtopartitionthewindowtogetmorenumberofplots? Discussonsingleandmultiobject
plotsinR. [7M]
(b)Elaboratehowtoexportagraphusinggraphicsparameters.Howtoexportthetextdatatoplot
withexample. [7M]
10. (a)Howtoplottheworddatabasednfrequencyofwords. WriteRscripttoplotadataframe
having2dataframesusingrelevantplot.(Assumeyourowndataframes) [7M]
(b)Generalizethegraphicalanalysisindataanalysis? ListthevariousplotsinRandexplainin
detail. [7M]
Page2of2
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This post was last modified on 27 November 2019