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Note that informed downsampling is now enabled by default; add comments to gp argument defaults

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Lee Spector 2024-01-07 12:11:08 -05:00
parent 81ef86d4ee
commit 3ae7123cd8
1 changed files with 25 additions and 23 deletions
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48
src/propeller/gp.cljc
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@ -52,29 +52,31 @@
"Returns argmap with any unspecified values filled with defaults."
[argmap]
(let [defaults
{:bmx-exchange-rate 0.5
:bmx-gene-length-limit 10
:bmx-gap-change-probability 0.001
:bmx-complementary? false
:dont-end false
:downsample? true
:ds-function :case-maxmin
:downsample-rate 0.05
:ds-parent-rate 0.01
:ds-parent-gens 10
:error-function (fn [& args] (println "ERROR FUNCTION NOT PROVIDED"))
:ids-type :solved ; :solved or :elite or :soft
:max-initial-plushy-size 100
:max-generations 1000
:parent-selection :lexicase
:population-size 1000
:single-thread-mode false
:solution-error-threshold 0
:step-limit 1000
:testing-data []
:training-data []
:umad-rate 0.1
:variation {:umad 1}}
{:bmx-exchange-rate 0.5 ; for bmx, the rate at which genes will be exchanged
:bmx-gene-length-limit 10 ; for bmx, the maximum length of a gene
:bmx-gap-change-probability 0.001 ; for bmx, the mutation rate for gaps
:bmx-complementary? false ; for bmx, whether mates selected using reverse case sequence of first parent
:dont-end false ; if true, keep running until limit regardless of success
:downsample? true ; wether to use downsampling
:ds-function :case-maxmin ; :case-rand, case-maxmin, case-maxmin-auto
:downsample-rate 0.05 ; proportion of data used in downsample
:ds-parent-rate 0.01 ; proportion of parents used to evaluate case distances
:ds-parent-gens 10 ; generations between computation of parent distances
:error-function (fn [& args] (println "ERROR FUNCTION NOT PROVIDED")) ; must provide
:ids-type :solved ; type of informed downsampling, :solved or :elite or :soft
:instructions ["INSTRUCTIONS NOT PROVIDED"] ; must be provided
:max-initial-plushy-size 100 ; the maximum size of genomes in initial population
:max-generations 1000 ; generation limi when downsampling is not used, adjusted by downsampling
:parent-selection :lexicase ; see options in variation.cljc
:population-size 1000 ; the size of the GP ppopulation
:single-thread-mode false ; if true, don't use multithreading
:solution-error-threshold 0 ; maximum total error for solutions
:step-limit 1000 ; limit of Push interpreter steps in a Push program evaluation
:testing-data [] ; must be provided unless there is no testing data
:training-data [] ; must be provided
:umad-rate 0.1 ; addition rate (from which deletion rate will be derived) for UMAD
:variation {:umad 1} ; genetic operators and probabilities for their use, which should sum to 1
}
defaulted (merge defaults argmap)]
(merge defaulted ; use the map below to include derived values in argmap
{:bmx? (some #{:bmx :bmx-umad} (keys (:variation defaulted)))})))