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DA A O IO
OD I
D D O
planation in brief
tep A very pro ect, regardless of its si e, starts ith business understanding, hich lays the foundation for
successful resolution of the business problem. he business sponsors needing the analytic solution play
the critical role in this stage by defining the problem, pro ect ob ectives and solution requirements from a
business perspective.
tep rior to undertaking the data collection and data preparation stages of the methodology, it's vital to define
the data requirements for decision tree classification. his includes identifying the necessary data content,
formats and sources for initial data collection.
. ive steps to break do n a problem into smaller units before coding.
Ans. roblem decomposition steps
. nderstand the problem and then restate the problem in your o n ords.
• no hat the desired inputs and outputs are
• Ask questions for clarification in class these questions might be to your instructor, but most of the
time they ill be asking either yourself or your collaborators)
. reak the problem do n into a fe large pieces. rite these do n, either on paper or as comments in a file.
. reak complicated pieces do n into smaller pieces. eep doing this until all of the pieces are small.
. ode one small piece at a time.
• hink about ho to implement it
• rite the code query
• est it on its o n.
• i problems, if any
. Design hinking is a design methodology that provides a approach to solving problems.
a. problem based b. solution based
c. analysis based d. approach based
Ans. b. solution based
. hich of the follo ing is not a stage of Design hinking
a. rototype b. Design
c. mpathise d. Define
Ans. b. Design
. echniques such as descriptive statistics and can be applied to the dataset, to assess the content,
quality and initial insights about the data.
a. isualisation b. valuation
c. odelling d. Analysis
Ans. a. isualisation
. he rain est plit is a technique for evaluating the performance of a algorithm.
a. ule ased b. Data cience
c. achine earning d. rediction
Ans. c. achine earning
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