Data analysis with python
pct_change
percent_change
per_change
none of the mentioned
Answer is Right!
Answer is Wrong!
2. Which of the following list-like data structure is used for managing a dynamic collection of SparseArrays?
SparseList
GeoList
SparseSeries
All of the mentioned
Answer is Right!
Answer is Wrong!
3. Which of the following object you get after reading CSV file?
DataFrame
Character Vector
Panel
All of the mentioned
Answer is Right!
Answer is Wrong!
Detailed SolutionWhich of the following object you get after reading CSV file?
4. What Python function is used to perform element-wise mathematical operations on Numpy arrays?
describe()
plt.plot()
df.apply()
np.add()
Answer is Right!
Answer is Wrong!
5. All values of categorical data are either in categories or np.nan.
TRUE
nan
nan
nan
Answer is Right!
Answer is Wrong!
Detailed SolutionAll values of categorical data are either in categories or np.nan.
6. Point out the wrong statement.
min, max, idxmin, idxmax operations are supported on Series
You cannot pass a timedelta to get a particular value
Division by the numpy scalar is true division
None of the mentioned
Answer is Right!
Answer is Wrong!
7. Which Python library is commonly used for data preprocessing tasks, such as feature scaling and transformation in machine learning?
Matplotlib
Numpy
Scikit-learn
Pandas
Answer is Right!
Answer is Wrong!
8. Numeric reduction operation for timedelta64[ns] will return . . . . . . . . objects.
Timeseries
Timeplus
Timedelta
None of the mentioned
Answer is Right!
Answer is Wrong!
9. In Python, which library is often used for deep learning tasks, including neural network construction and training, with a focus on simplicity and flexibility?
Numpy
Keras
TensorFlow
Numpy
Answer is Right!
Answer is Wrong!
10. In Pandas, what method is used to calculate summary statistics for numerical columns in a DataFrame?
groupby()
value_counts()
describe()
reshape()
Answer is Right!
Answer is Wrong!