nerdexam
Microsoft

DP-100 · Question #76

You are conducting feature engineering to prepuce data for further analysis. The data includes seasonal patterns on inventory requirements. You need to select the appropriate method to conduct feature

The correct answer is D. Finite Impulse Response (FIR) Filter module.. The question seeks an appropriate feature engineering method for data that includes seasonal patterns, such as inventory requirements.

Design and prepare a machine learning solution

Question

You are conducting feature engineering to prepuce data for further analysis. The data includes seasonal patterns on inventory requirements. You need to select the appropriate method to conduct feature engineering on the data. Which method should you use?

Options

  • AExponential Smoothing (ETS) function.
  • BOne Class Support Vector Machine module
  • CTime Series Anomaly Detection module
  • DFinite Impulse Response (FIR) Filter module.

How the community answered

(56 responses)
  • A
    7% (4)
  • B
    11% (6)
  • C
    4% (2)
  • D
    79% (44)

Why each option

The question seeks an appropriate feature engineering method for data that includes seasonal patterns, such as inventory requirements.

AExponential Smoothing (ETS) function.

Exponential Smoothing (ETS) function is primarily a forecasting technique for time series, not a feature engineering method to extract or transform seasonal patterns for further analysis.

BOne Class Support Vector Machine module

One Class Support Vector Machine module is used for anomaly detection in unlabeled data, focusing on identifying outliers rather than engineering features from seasonal patterns.

CTime Series Anomaly Detection module

Time Series Anomaly Detection module is designed to identify unusual data points in time series, not to conduct general feature engineering on inherent seasonal patterns.

DFinite Impulse Response (FIR) Filter module.Correct

A Finite Impulse Response (FIR) Filter module is suitable for feature engineering on data with seasonal patterns because FIR filters are digital signal processing tools that can be designed to isolate, smooth, or extract specific frequency components and trends, effectively highlighting or modifying seasonal patterns in time-series data.

Concept tested: Feature engineering for seasonal time series

Topics

#Feature Engineering#Time Series#Seasonal Patterns#Filtering

Community Discussion

No community discussion yet for this question.

Full DP-100 Practice