Deck 10 - Text Analytics Part 3 Flashcards Preview

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Flashcards in Deck 10 - Text Analytics Part 3 Deck (11):
1

What are 3 types of clusters?

-Object categories
-Object conditions
-Object states

2

What are example applications of clusters?

-Routing processes
-FAQ
-Troubleshooting
-Patient treatment

3

What are 4 types of topics?

-Elements of meaning
-Characteristics for object description
-Dimensions for object representation
-Factors that drive observed behavior

4

What are some example applications of topics?

-Managerial insight
-Quality control
-Business intelligence
-Voice-of-the-employee
-Voice-of-the-customer

5

What is ANOVA?

The one way analysis of variance

6

In ANOVA, what is part of y value that can be explained by group membership?

Group Mean

7

In ANOVA, what is part of y value that cannot be explained by group membership?

Residual

8

What does the ANOVA F test examine?

Whether all means are equal

9

What are the two hypotheses in ANOVA F test?

The null hypotheses: As we move from one group to another, the _____ has no effect

The alternative hypotheses: As we move from one group to another, the _____ has an affect

10

In ANOVA F test, what does it mean if the F test p-value is small (e.g., less than 0.05)?

The sentiments are significantly different

11

What does it mean when the Confidence Intervals overlap?

That there is no significant difference