Top 350+ Solved Data Mining and Data Warehouse MCQ Questions Answer
Q. Minkowski distance is a function used to find the distance between two
a. binary vectors
b. boolean-valued vectors
c. real-valued vectors
d. categorical vectors
Q. Data set of designation {Professor, Assistant Professor, Associate Professor} is example of__________attribute.
a. continuous
b. ordinal
c. numeric
d. nominal
Q. Identify the correct example of Nominal Attributes.
a. weight of person in kg
b. income categories - high, medium, low
c. mobile number
d. all above
Q. When objects are represented using single attribute, the proximity value 1 indicates :
a. objects are similar
b. objects are dissimilar
c. not equal
d. reflexive
Q. Identity correct equation of Jacard Coefficient:
a. j= f11/f01+f10+f11
b. j= f11+f00/f01+f10+f11
c. j= f11+f00/f01+f10
d. none of these
Q. What equation we get when r parameter =2 in Minskowski Distance formula?
a. manhattan distance
b. euclidean distance
c. lmaximum distance
d. all
Q. ________is a generalization of Manhattan, Euclidean and Max Distance
a. euclidean distance
b. minkowski distance
c. manhattan distance
d. jaccard distance
Q. _________ distance is based on L1 norm.
a. euclidean distance
b. minkowski distance
c. manhattan distance
d. jaccard distance
Q. Which is not the type of attribute used in distance measure?
a. ordinal
b. nominal
c. binay
d. rank
Q. _____ method is used to find the distance between two objects represented by numerical attributes.
a. euclidean distance
b. minkowski distance
c. manhattan distance
d. all of these
Q. Contingency table is prepared for _______ attribute data.
a. ordinal
b. nominal
c. binay
d. integer
Q. Which are the applications of proximity measures?
a. classification
b. clustering
c. knn classifier
d. all of these
Q. _________ matrix represents the distance between all objects in the dataset
a. confusion
b. dissimilarity
c. similarity
d. square
Q. If o1 and o2 are two objects and distance between these objects is zero then it means_____
a. o1 and o2 are totally similar
b. o1 and o2 are totally dissimilar
c. o1 and o2 are similar
d. o1 and o2 are partially dissimilar
Q. Identify the correct subtype of Binary attribute.
a. ordinal
b. asymmetric
c. symmetric
d. both b and c