clj-synapses.codec
A codec can encode and decode every data point.
One hot encoding is a process that turns discrete attributes into a list of 0.0 and 1.0. Minmax normalization scales continuous attributes into values between 0.0 and 1.0.
(require '[clj-synapses.codec :as codec])
There are two ways to create a codec:
- By providing a list of pairs that define the name and the type of each attribute:
(def preprocessor
(codec/->codec
[["petal_length" false]
["species" true]]
[{"petal_length" "1.5"
"species" "setosa"}
{"petal_length" "3.8"
"species" "versicolor"}]))
- By providing its JSON representation.
(def preprocessor
(codec/json->
"[{"Case" : "SerializableContinuous",
"Fields" : [{"key" : "petal_length","min" : 1.5,"max" : 3.8}]},
{"Case" : "SerializableDiscrete",
"Fields" : [{"key" : "species","values" : ["setosa","versicolor"]}]}]"))
EXAMPLES
Encode a data point:
(codec/encode
preprocessor
{"petal_length" "1.5"
"species" "setosa"})
;;=> [0.0, 1.0, 0.0]
Decode a data point:
(codec/decode
preprocessor
[0.0, 1.0, 0.0])
;;=> {"petal_length" "1.5", "species" "setosa"}
Get the JSON representation of the codec:
(codec/->json
preprocessor)
A codec can encode and decode every data point.
One hot encoding is a process that turns discrete attributes into a list of 0.0 and 1.0.
Minmax normalization scales continuous attributes into values between 0.0 and 1.0.
```clojure
(require '[clj-synapses.codec :as codec])
```
There are two ways to create a codec:
1. By providing a list of pairs that define the name and the type of each attribute:
```clojure
(def preprocessor
(codec/->codec
[["petal_length" false]
["species" true]]
[{"petal_length" "1.5"
"species" "setosa"}
{"petal_length" "3.8"
"species" "versicolor"}]))
```
2. By providing its JSON representation.
```clojure
(def preprocessor
(codec/json->
"[{"Case" : "SerializableContinuous",
"Fields" : [{"key" : "petal_length","min" : 1.5,"max" : 3.8}]},
{"Case" : "SerializableDiscrete",
"Fields" : [{"key" : "species","values" : ["setosa","versicolor"]}]}]"))
```
EXAMPLES
Encode a data point:
```clojure
(codec/encode
preprocessor
{"petal_length" "1.5"
"species" "setosa"})
;;=> [0.0, 1.0, 0.0]
```
Decode a data point:
```clojure
(codec/decode
preprocessor
[0.0, 1.0, 0.0])
;;=> {"petal_length" "1.5", "species" "setosa"}
```
Get the JSON representation of the codec:
```clojure
(codec/->json
preprocessor)
```->codecclj
(->codec attributes data-points)Returns a codec that can encode and decode every data point.
attributes is a vector of pairs that define the name and the type (discrete or not) of each attribute.
(codec/->codec
[["petal_length" false]
["species" true]]
[{"petal_length" "1.5"
"species" "setosa"}
{"petal_length" "3.8"
"species" "versicolor"}])
Returns a codec that can encode and decode every data point.
`attributes` is a vector of pairs that define the name and the type (discrete or not) of each attribute.
```clojure
(codec/->codec
[["petal_length" false]
["species" true]]
[{"petal_length" "1.5"
"species" "setosa"}
{"petal_length" "3.8"
"species" "versicolor"}])
```->jsonclj
(->json codec)Returns the JSON representation of the codec.
Returns the JSON representation of the codec.
decodeclj
(decode codec encoded-values)Accepts the encoded-values as a vector of numbers between 0.0 and 1.0
and returns the decoded data point as a map of strings.
Accepts the `encoded-values` as a vector of numbers between 0.0 and 1.0 and returns the decoded data point as a map of strings.
encodeclj
(encode codec data-point)Accepts the data-point as a map of strings
and returns the encoded data point as a vector of numbers between 0.0 and 1.0.
Accepts the `data-point` as a map of strings and returns the encoded data point as a vector of numbers between 0.0 and 1.0.
json->clj
(json-> json)Returns a codec that can encode and decode every data point.
json is the JSON representation of a codec.
(codec/json->
"[{"Case" : "SerializableContinuous",
"Fields" : [{"key" : "petal_length","min" : 1.5,"max" : 3.8}]},
{"Case" : "SerializableDiscrete",
"Fields" : [{"key" : "species","values" : ["setosa","versicolor"]}]}]")Returns a codec that can encode and decode every data point.
`json` is the JSON representation of a codec.
```clojure
(codec/json->
"[{"Case" : "SerializableContinuous",
"Fields" : [{"key" : "petal_length","min" : 1.5,"max" : 3.8}]},
{"Case" : "SerializableDiscrete",
"Fields" : [{"key" : "species","values" : ["setosa","versicolor"]}]}]")cljdoc is a website building & hosting documentation for Clojure/Script libraries
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