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Raketz Posted 14 years ago
Grammar

punctuation

Is the punctuation right in the following sentence? is "stepwise introduction of variables on a prediction model building" an independent clause?

The first objective can be achieved by fixing a threshold on the variable importance while the second one requires a combination of variable ranking, and stepwise introduction of variables on a prediction model building.
  

Top answer

The first objective can be achieved by fixing a threshold on the variable importance, while whilst the second one requires a combination of variable ranking and a stepwise introduction of variables on a prediction model building. There's the punctuation; though I don't understand how you are achieving your second objective. Are you simply trying to describe what happens in Stepwise Regression by Forward Selection; or somehow, is this some ad hoc running of Single Regressions, followed by multiple Multiple Regressions somehow?

  • The first objective can be achieved by fixing a threshold on the variable importance, while whilst the second one requires a combination of variable ranking and a stepwise introduction of variables on a prediction model building.
  • There's the punctuation; though I don't understand how you are achieving your second objective.
  • Are you simply trying to describe what happens in Stepwise Regression by Forward Selection; or somehow, is this some ad hoc running of Single Regressions, followed by multiple Multiple Regressions somehow?
  • " is not an independent clause.
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1 Answers
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The first objective can be achieved by fixing a threshold on the variable importance, while whilst the second one requires a combination of variable ranking and a stepwise introduction of variables on a prediction model building.

There's the punctuation; though I don't understand how you are achieving your second objective.
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