(min-max-scale columns-selector
{:keys [min max] :or {min -0.5 max 0.5} :as options})Metamorph transfomer, which scales the column data into a given range.
columns-selector tablecloth columns-selector to choose columns to work on
meta-field tablecloth meta-field working with columns-selector
options Options for scaler, can take:
min Minimal value to scale to (default -0.5)
max Maximum value to scale to (default 0.5)
| metamorph | . |
|---|---|
| Behaviour in mode :fit | Scales the dataset at key :metamorph/data and stores the trained model in ctx under key at :metamorph/id |
| Behaviour in mode :transform | Reads trained min-max-scale model from ctx and applies it to data in :metamorph/data |
| Reads keys from ctx | In mode :transform : Reads trained model to use for from key in :metamorph/id. |
| Writes keys to ctx | In mode :fit : Stores trained model in key $id |
Metamorph transfomer, which scales the column data into a given range.
`columns-selector` tablecloth columns-selector to choose columns to work on
`meta-field` tablecloth meta-field working with `columns-selector`
`options` Options for scaler, can take:
`min` Minimal value to scale to (default -0.5)
`max` Maximum value to scale to (default 0.5)
metamorph | .
-------------------------------------|----------------------------------------------------------------------------
Behaviour in mode :fit | Scales the dataset at key `:metamorph/data` and stores the trained model in ctx under key at `:metamorph/id`
Behaviour in mode :transform | Reads trained min-max-scale model from ctx and applies it to data in `:metamorph/data`
Reads keys from ctx | In mode `:transform` : Reads trained model to use for from key in `:metamorph/id`.
Writes keys to ctx | In mode `:fit` : Stores trained model in key $id
(std-scale columns-selector options)(std-scale columns-selector
meta-field
{:keys [mean? stddev?] :or {mean? true stddev? true} :as options})Metamorph transfomer, which centers and scales the dataset per column.
columns-selector tablecloth columns-selector to choose columns to work on
meta-field tablecloth meta-field working with columns-selector
options are the options for the scaler and can take:
mean? If true (default), the data gets shifted by the column means, so 0 centered
stddev? If true (default), the data gets scaled by the standard deviation of the column
| metamorph | . |
|---|---|
| Behaviour in mode :fit | Centers and scales the dataset at key :metamorph/data and stores the trained model in ctx under key at :metamorph/id |
| Behaviour in mode :transform | Reads trained std-scale model from ctx and applies it to data in :metamorph/data |
| Reads keys from ctx | In mode :transform : Reads trained model to use for from key in :metamorph/id. |
| Writes keys to ctx | In mode :fit : Stores trained model in key $id |
Metamorph transfomer, which centers and scales the dataset per column. `columns-selector` tablecloth columns-selector to choose columns to work on `meta-field` tablecloth meta-field working with `columns-selector` `options` are the options for the scaler and can take: `mean?` If true (default), the data gets shifted by the column means, so 0 centered `stddev?` If true (default), the data gets scaled by the standard deviation of the column metamorph | . -------------------------------------|---------------------------------------------------------------------------- Behaviour in mode :fit | Centers and scales the dataset at key `:metamorph/data` and stores the trained model in ctx under key at `:metamorph/id` Behaviour in mode :transform | Reads trained std-scale model from ctx and applies it to data in `:metamorph/data` Reads keys from ctx | In mode `:transform` : Reads trained model to use for from key in `:metamorph/id`. Writes keys to ctx | In mode `:fit` : Stores trained model in key $id
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