A Learning Portal from Recruitment India
Which of the following approach should be used to ask Data Analysis question ?
Find only one solution for particular problem
Find out answer from dataset without asking question
Find out the question which is to be answered
None of the mentioned
Answer with explanation
Answer: Option CExplanation
Data analysis has multiple facets and approaches.
Workspace
Which of the following statements limits both x and y axes to the interval [0, 6]?
plt.xylim(0, 6)
plt.axis([0, 6, 0, 6])
plt.ylim(0, 6)
plt.xlim(0, 6)
Answer with explanation
Answer: Option BExplanation
plt.axis([0, 6, 0, 6]) statement limits both x and y axes to the interval [0, 6].
Workspace
Which of the following functions helps create a new array object that looks at the same data?
duplicate
paste
view
copy
Answer with explanation
Answer: Option DExplanation
The copy function is used to create a new object that looks at the same data as the original array object.
Workspace
Which of the following is implemented on DataFrame to compute the correlation between like-labeled Series contained in different DataFrame objects?
corrwith
corwit
corwith
None of the Mentioned
Answer with explanation
Answer: Option AExplanation
A score close to 1 means their tastes are very similar.
Workspace
The {_____} function returns its argument with a modified shape, whereas the _____ method modifies the array itself.
reshape; resize
resize; reshape
reshape2; resize
resize2; reshape2
Answer with explanation
Answer: Option AExplanation
reshape; resize
Workspace
Which of the following is good way of performing experiments in data science ?
Measure variability
Generalize to the problem
Have Replication
All of the Mentioned
Answer with explanation
Answer: Option DExplanation
Experiments on causal relationships investigate the effect of one or more variables on one or more outcome variables.
Workspace