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IceJOKER [234]
2 years ago
5

For each of parts (a) through (d), indicate whether we would generally expect the performance of a flexible statistical learning

method to be better or worse than an inflexible method. Justify your answer.a. The sample size n is extremely large, and the number of predictors p is small. b. The number of predictors p is extremely large, and the number of observations n is small. c. The relationship between the predictors and response is highly non-linear. d. The variance of the error terms, i.e. Var(epsilon), is extremely high.
Mathematics
1 answer:
olga_2 [115]2 years ago
6 0

Step-by-step explanation:

First, note that a flexible statistical learning method refers to using models that take into account agree difference in the observed data set, and are thus adjustable. While the inflexible method usually involves a model that has no regard to the kind of data set.

a) The sample size n is extremely large, and the number of predictors p is small. (BETTER)

In this case since the sample size is extremely large a flexible model is a best fit.

b) The number of predictors p is extremely large, and the number of observations n is small. (WORSE)

In such case overfiting the data is more likely because of of the small observations.

c) The relationship between the predictors and response is highly non-linear. (BETTER)

The flexible method would be a better fit.

d) The variance of the error terms, i.e. σ2=Var(ϵ), is extremely high. (WORSE)

In such case, using a flexible model is a best fit for the error terms because it can be adjusted.

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Slav-nsk [51]

Answer:

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Step-by-step explanation:

10×10= 100

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Answer:

the graph that goes through the points

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Step-by-step explanation:

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now when x=0

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now when y=0

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3 years ago
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On the graph the point is about (4.5, 100).

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3 years ago
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