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Recent questions in Data Science
+3
votes
1
answer
Inferential Statistics conclusions are represented in the form of __________.
asked
Jan 24, 2020
in
Data Science
by
AdilsonLima
+1
vote
1
answer
A consistency model used in distributed computing to achievehigh availability that informally guarantees that, if no new updates are made to a given data item, all accesses to that item will
asked
Jan 24, 2020
in
Data Science
by
AdilsonLima
0
votes
1
answer
Which of the following helps in measuring the dispersion range of the data? Choose the correct answer from below list
asked
Jan 23, 2020
in
Data Science
by
AdilsonLima
0
votes
0
answers
Which among the following is/are (an) Ensemble Classifier? Choose the correct answer from below list (1)All the options (2)Random Forest (3)Boosting (4)Bagging
asked
Jan 23, 2020
in
Data Science
by
AdilsonLima
0
votes
1
answer
Clustering process works on _________ measure. Choose the correct answer from below list
asked
Jan 23, 2020
in
Data Science
by
AdilsonLima
0
votes
1
answer
__________statistics provides inferences on population. Choose the correct answer from below list
asked
Jan 23, 2020
in
Data Science
by
AdilsonLima
0
votes
1
answer
Which of the following helps in measuring the central tendency of the dataset?
asked
Jan 23, 2020
in
Data Science
by
AdilsonLima
0
votes
1
answer
_________statistics provides the summary statistics of the data. Choose the correct answer from below list
asked
Jan 23, 2020
in
Data Science
by
AdilsonLima
0
votes
1
answer
Which of the following helps in measuring the dispersion range of the data? Choose the correct answer from below list
asked
Jan 23, 2020
in
Data Science
by
AdilsonLima
0
votes
1
answer
Collective outlier significantly deviates from the entire dataset. Choose the correct answer from below list (1)True (2)False
asked
Jan 23, 2020
in
Data Science
by
AdilsonLima
0
votes
1
answer
Inferential statistics is used in __________ datasets. Choose the correct answer from below list
asked
Jan 23, 2020
in
Data Science
by
AdilsonLima
0
votes
1
answer
Classification is a __________ task. Choose the correct answer from below list
asked
Jan 23, 2020
in
Data Science
by
AdilsonLima
+3
votes
2
answers
_________ aids in identifying associations, correlations, and frequent patterns in data.
asked
Jan 23, 2020
in
Data Science
by
AdilsonLima
rule-mining
0
votes
1
answer
Identify the algorithm that works based on the concept of clustering. Choose the correct answer from below list
asked
Jan 23, 2020
in
Data Science
by
AdilsonLima
+1
vote
1
answer
__________ is the problem of identifying a category to which a new observation belongs to, based on a training set of data containing observations whose categories are already known.
asked
Jan 23, 2020
in
Data Science
by
AdilsonLima
+1
vote
1
answer
Consider an example of an apartment: The number of bedrooms, bathrooms, and the floor of an apartment determines its price. Which is/are the predictor variable(s) in this example?
asked
Jan 23, 2020
in
Data Science
by
AdilsonLima
0
votes
1
answer
Response variable is a __________. Choose the correct answer from below list
asked
Jan 23, 2020
in
Data Science
by
AdilsonLima
+1
vote
2
answers
Which process of KDD aids in unifying data from different sources? Choose the correct answer from below list
asked
Jan 23, 2020
in
Data Science
by
AdilsonLima
0
votes
1
answer
__________ term portrays the process of discovering small pieces from a large volume of raw material.
asked
Jan 23, 2020
in
Data Science
by
AdilsonLima
0
votes
2
answers
Managing DevOps via chat is called ChatOps.
asked
Jan 23, 2020
in
Data Science
by
sharadyadav1986
#devops
0
votes
1
answer
Which of the following scenarios demand extensive use of Artificial Intelligence for designing and developing bots?
asked
Jan 23, 2020
in
Data Science
by
sharadyadav1986
#artificial-intelligence
+1
vote
1
answer
Which of the following features cannot be accomplished using Slack API?
asked
Jan 23, 2020
in
Data Science
by
sharadyadav1986
#slack-api
0
votes
1
answer
What is the determinant of the matrix A = \begin{pmatrix} 1 & 3 & 2 \\ 4 & 1 & 3 \\ 2 & 2 & 0 \end{pmatrix}⎝⎛142312230⎠⎞?
asked
Jan 23, 2020
in
Data Science
by
AdilsonLima
0
votes
1
answer
The _____________ of a vector space is a set of linearly independent vectors that span the entire space.
asked
Jan 23, 2020
in
Data Science
by
AdilsonLima
0
votes
1
answer
Every vector in 2D space is associated with multiple pairs of number. (1)False (2)True
asked
Jan 23, 2020
in
Data Science
by
AdilsonLima
0
votes
1
answer
According to the property of Singular Value Decomposition , it is always possible to decompose a real matrix A into $$ A = U \sum V^T .
asked
Jan 23, 2020
in
Data Science
by
AdilsonLima
0
votes
0
answers
Consider the following 2 X 2 square matrices A , B and C. (A+B) + C = A + (B + C) signifies which property?
asked
Jan 23, 2020
in
Data Science
by
AdilsonLima
0
votes
1
answer
Principle component analysis determines the direction of maximum variance of data for a given feature set.True or false
asked
Jan 23, 2020
in
Data Science
by
AdilsonLima
#principle-component
agile-component
maximum-variance
0
votes
1
answer
in a linear transform, when the orientation of space is inverted, the determinant value is negative. true or false
asked
Jan 23, 2020
in
Data Science
by
AdilsonLima
0
votes
1
answer
Consider the matrix A = \begin{pmatrix} 7 & 9 & -3 \\ 3 & -6 & 5 \\ 4 & 0 & 1 \end{pmatrix}⎝⎛7349−60−351⎠⎞. What is the value of minor M_{11}M11?
asked
Jan 23, 2020
in
Data Science
by
AdilsonLima
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