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programming_languages:r:parameter_description [2017/03/19 18:34] – [proxy] phreazer | programming_languages:r:parameter_description [2017/03/26 18:26] (current) – [dtw] phreazer | ||
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Issues: | Issues: | ||
- | * Documenting the possible entries is not easy, because a single model description already contains a lot of information. When many models must be described in help, the help page of the function becomes | + | * Documenting the possible entries is not easy, because a single model description already contains a lot of information. When many models must be described in help, the help page of the function becomes |
* The model description itself should be structured. | * The model description itself should be structured. | ||
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- | preProcess: a string vector that defines a pre-processing of the | + | |
predictor data. Current possibilities are " | predictor data. Current possibilities are " | ||
" | " | ||
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getModelInfo shows infos about models and packages that are accessible via ‘train’ | getModelInfo shows infos about models and packages that are accessible via ‘train’ | ||
- | Usage: | + | |
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- | Value: | + | |
- | + | | |
- | ‘modelLookup’ produces a data frame with columns | + | |
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- | + | ||
- | parameter : the tuning parameter name | + | |
- | + | | |
- | label : a tuning parameter label (used in plots) | + | |
- | + | | |
- | | + | |
- | + | | |
- | forClass : a logical; can the model be used for classification? | + | |
- | + | | |
- | probModel : a logical; does the model produce class probabilities? | + | |
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- | + | ||
- | | + | |
Returned info from getModelInfo is a rather cryptic list. | Returned info from getModelInfo is a rather cryptic list. | ||
preProcess is a function which has it's own different method types. The methods are explained in the details section of the perProcess help page. | preProcess is a function which has it's own different method types. The methods are explained in the details section of the perProcess help page. | ||
+ | |||
trainControl is also a function, where different possible values for methods are listed, but not explained. Only hints which methods should be used under which circumstances. | trainControl is also a function, where different possible values for methods are listed, but not explained. Only hints which methods should be used under which circumstances. | ||
===== proxy ===== | ===== proxy ===== | ||
- | # summary of available distance measures | + | |
- | summary(pr_DB) | + | summary(pr_DB) |
- | # particular info about one distance measure | + | # particular info about one distance measure |
- | pr_DB$get_entry(" | + | pr_DB$get_entry(" |
+ | |||
+ | ===== dtw ===== | ||
+ | # directly print stepPattern (it's a class) | ||
+ | print(symmetric2) | ||
+ | |||
+ | ===== arules ===== | ||
+ | object of class APparameter or named list. |