DASCA SDS Question Answer
Which of the following is True about Time Series Analysis?
Predicting when/whether an event will occur, such as a failure of the machine generating the data
Projecting the value of the time series at future points in time, such as a stock whose price we want to predict
Identifying interesting patterns in a corpus of time series data that is too large for a human to comb through
Both A and B
All of the above
Time Series Analysis (TSA) is the process of analyzing data collected sequentially over time to extract meaningful insights.Applications include:
Option A: Correct. Event prediction (e.g., failure detection in IoT or predictive maintenance).
Option B: Correct. Forecasting future values (e.g., stock price, sales forecasting).
Option C: Correct. Pattern discovery in large-scale time series datasets using clustering, anomaly detection, or seasonality detection.
Since all three are true, the best answer is Option E (All of the above).
TESTED 04 Sep 2025
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