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Questions & Answers › Tag: Database
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Which of the following role is responsible for performing validation on analysis datasets?
AnsweredGeek Boy asked 4 years ago • 
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Which of the following modelling type should be used for Labelled data?
AnsweredGeek Boy asked 4 years ago • 
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What is the other name for Data Preparation stage of Knowledge Discovery Process?
AnsweredGeek Boy asked 4 years ago • 
3880 views1 answers1 votes
Noisy values are the values that are valid for the dataset, but are incorrectly recorded.
AnsweredGeek Boy asked 4 years ago
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Which of the following activities is performed as part of data pre processing?
AnsweredGeek Boy asked 4 years ago • 
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If time is used as an independent variable in a simple linear regression analysis, which of the following assumptions could be violated?
AnsweredGeek Boy asked 4 years ago • 
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What is the type of learning where a function is inferred to describe hidden structure from unlabeled data.
AnsweredGeek Boy asked 4 years ago • 
1798 views1 answers-1 votes
Which statistical technique deals with finding a structure in a collection of unlabeled data?
AnsweredGeek Boy asked 4 years ago • 
1904 views1 answers0 votes
Statistical technique used for investigating and modelling the relationship between two or more variables is. Choose correct answer from below list:
AnsweredGeek Boy asked 4 years ago • 
3705 views1 answers0 votes
Probability of theft in an area is 0.03 with expected loss of 20% or 30% of things with probabilities 0.55 and 0.45. Insurance policy from A cost $150 pa with 100% repayment. Policy with B, costs $100 pa and first $500 of any loss has to be paid by the owner. Which data mining technique can be used to choose the policy?
AnsweredGeek Boy asked 4 years ago • 
12681 views1 answers1 votes
Regression is typically carried out to develop a mathematical model of the process.
AnsweredGeek Boy asked 4 years ago • 
11205 views1 answers-1 votes
Which of the following is not applicable to Data Mining?
AnsweredGeek Boy asked 4 years ago • 
1805 views1 answers0 votes
The process of extracting valid, useful, unknown info from data and using it to make proactive knowledge driven business is called:
AnsweredGeek Boy asked 4 years ago • 
3348 views1 answers0 votes
_________ are the values that mark the boundaries of the confidence interval.
AnsweredGeek Boy asked 4 years ago • 
9820 views1 answers0 votes
Simulations are carried out to develop a mathematical model of the process.
AnsweredGeek Boy asked 4 years ago • 
10037 views1 answers0 votes
Which is the statistical technique used for investigating and modeling the relationship between two or more variables?
AnsweredGeek Boy asked 4 years ago • 
1956 views1 answers0 votes
Associate rule is known as _________
AnsweredGeek Boy asked 4 years ago • 
17322 views1 answers-1 votes
Machine learning task of inferring a function from labelled training data is known as.
AnsweredGeek Boy asked 4 years ago • 
6188 views1 answers0 votes
Which of the following are Multi-class classification problem?
AnsweredGeek Boy asked 4 years ago • 
2132 views1 answers0 votes
Which data mining method group together objects that are similar to each other and dissimilar to the other objects?
AnsweredGeek Boy asked 4 years ago • 
7499 views1 answers0 votes
Which of the following decorator function is used to create a static method?
AnsweredAdam asked 4 years ago • 
5559 views1 answers0 votes
What is the output of the following code? class A: @staticmethod @classmethod def m1(self): print('Hello') A.m1(5)
AnsweredAdam asked 4 years ago • 
6993 views1 answers0 votes
The static Method is bound to Objects and Class.
AnsweredAdam asked 4 years ago • 
4383 views1 answers0 votes
What is the output of the following code? class A: @classmethod def getC(self): print('In Class A, method getC.') class B(A): pass b = B() B.getC() b.getC()
AnsweredAdam asked 4 years ago • 
6773 views1 answers0 votes
Which of the following decorator function is used to create a class method?
AnsweredAdam asked 4 years ago • 
5367 views1 answers0 votes
What is the output of the following code? class A: @staticmethod def m1(self): print(‘Static Method’) @classmethod def m1(self): print(‘Class Method’) A.m1()
AnsweredAdam asked 4 years ago • 
9035 views1 answers0 votes
What is the output of the following code? def s1(x, y): return x*y class A: @staticmethod def s1(x, y): return x + y def s2(self, x, y): return s1(x, y) a = A() print(a.s2(3, 7))
AnsweredAdam asked 4 years ago • 
7011 views1 answers0 votes
Which of the following method is used to fetch next one row of a query result?
AnsweredAdam asked 4 years ago • 
3945 views1 answers0 votes
Which of the following package provides the utilities to work with MySQLDB database?
AnsweredAdam asked 4 years ago • 
7289 views1 answers0 votes
Which of the following package provides the utilities to work with postgreSQL database?
AnsweredAdam asked 4 years ago • 
6659 views1 answers0 votes
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