In Data Mining,which of the Following Involves Recognizing Patterns That

question 70

Multiple Choice

In data mining,which of the following involves recognizing patterns that describe the group to which an item belongs by examining existing items and inferring a set of rules?

• A)Associations
• B)Sequences
• C)Classifications
• D)Clustering
• E)Forecasting

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Definitions:

Proton Spin Decoupled

A technique in NMR spectroscopy that eliminates interactions between proton spins to simplify signal interpretation.

Off-Resonance Decoupled

A technique in NMR spectroscopy used to simplify the spectrum by selectively removing couplings between nuclei.

Proton Spin Decoupled

A nuclear magnetic resonance (NMR) technique used to simplify spectra by removing proton-proton coupling interactions.

Down Field

In NMR spectroscopy, referring to shifts in resonance frequency towards lower magnetic field strengths, often indicating an electron-withdrawing environment.