Flashcards in Deck 10 - Text Analytics Part 3 Deck (11):
What are 3 types of clusters?
What are example applications of clusters?
What are 4 types of topics?
-Elements of meaning
-Characteristics for object description
-Dimensions for object representation
-Factors that drive observed behavior
What are some example applications of topics?
What is ANOVA?
The one way analysis of variance
In ANOVA, what is part of y value that can be explained by group membership?
In ANOVA, what is part of y value that cannot be explained by group membership?
What does the ANOVA F test examine?
Whether all means are equal
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
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