Question 169 NAT · 2.0 marks
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Machine Learning Practice · End Term · May 2025 · FN
Machine Learning Practice · End Term · May 2025 FN
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Question 171 MCQ · 2.0 marks
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100
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Question 172 MCQ · 2.0 marks
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Question 173 MCQ · 2.0 marks
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Question 174 MCQ · 2.0 marks
What is the primary function of the pandas.resample() method for a time series?
To convert a DataFrame to a series or vice versa.
To fill in missing values in the time series using various interpolation methods.
To change the frequency of the time series, such as converting daily data to
monthly or monthly data to daily.
To perform statistical tests to check for stationarity in the time series.
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Question 175 MCQ · 3.0 marks
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Question 176 MCQ · 3.0 marks
(i) – resize, (ii) – augment, (iii) – flatten, (iv) – grayscale
(i) – grayscale, (ii) – flatten, (iii) – resize, (iv) – augment
(i) – grayscale, (ii) – augment, (iii) – resize, (iv) – flatten
(i) – grayscale, (ii) – resize, (iii) – flatten, (iv) – augment
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Question 177 MCQ · 3.0 marks
A time series with a clear upward trend and increasing variance over time is identified as non-
stationary. Which two preprocessing steps are most likely required?
Min-Max scaling and seasonal decomposition
Imputing missing values and differencing
Log transformation and differencing
Standardization and moving average smoothing
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Question 178 MCQ · 1.0 marks
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Question 179 MCQ · 1.0 marks
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Question 180 MSQ · 3.0 marks
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Question 181 MSQ · 2.0 marks
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Question 182 MSQ · 2.0 marks
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Question 183 MSQ · 2.0 marks
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Question 184 MSQ · 2.0 marks
It helps determine the optimal number of clusters by plotting the number of
clusters vs. inertia (within-cluster sum of squares).
The ”elbow point” is where adding more clusters yields a significantly larger
reduction in inertia.
The ”elbow point” is where adding more clusters yields diminishing returns in
reducing inertia.
It always produces a clear and unambiguous elbow point.
It can be visualized using a plot of number of clusters vs. distortion score.
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Question 185 MSQ · 1.0 marks
How to disable early stopping in SGDRegressor?
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Question 186 NAT · 2.0 marks
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Question 187 NAT · 2.0 marks
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Question 188 MSQ · 1.0 marks
Based on the above data, answer the given subquestions.
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Question 189 MCQ · 2.0 marks
Based on the above data, answer the given subquestions.
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Question 190 MSQ · 2.0 marks
Based on the above data, answer the given subquestions.
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Question 191 MCQ · 2.0 marks
Based on the above data, answer the given subquestions.
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Question 192 MSQ · 2.0 marks
Based on the above data, answer the given subquestions.
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Question 193 NAT · 1.0 marks
Based on the above data, answer the given subquestions.
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Question 194 NAT · 1.0 marks
Based on the above data, answer the given subquestions.
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Question 195 NAT · 2.0 marks
Based on the above data, answer the given subquestions.
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Question 196 NAT · 2.0 marks
Based on the above data, answer the given subquestions.
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