src/propeller/problems/regression/stock_regression.cljc

@@ -1,92 +0,0 @@
-(ns propeller.problems.regression.stock-regression
-  (:require [propeller.genome :as genome]
-            [propeller.push.interpreter :as interpreter]
-            [propeller.push.state :as state]
-            [propeller.tools.math :as math]
-            [propeller.gp :as gp]
-            #?(:cljs [cljs.reader :refer [read-string]])))
-
-(defn- target-function
-  "Target function: f(x) = x^3 + 2*x^2 + x + 3"
-  [x]
-  (+ (* x x x) (* 2 x x) x 3))
-
-(def train-and-test-data
-  "Training data: Inputs and outputs with -10 <= x < 11
-  Test data: Inputs and outputs of -20 <= x < -10 and 11 <= x < 21"
-  (let [train-inputs (range -10 11)
-        test-inputs (concat (range -20 -10) (range 11 21))]
-    {:train (map (fn [x] {:input1 (vector x) :output1 (vector (target-function x))}) train-inputs)
-     :test (map (fn [x] {:input1 (vector x) :output1 (vector (target-function x))}) test-inputs)}))
-
-(def instructions
-  "stack-specific instructions, input instructions, close, and constants"
-  (list :in1
-        :integer_add
-        :integer_subtract
-        :integer_mult
-        :integer_quot
-        :integer_eq
-        :exec_dup
-        :exec_if
-        'close
-        0
-        1
-        :buy
-        :sell
-        :hold
-        ))
-
-(defn error-function
-  "Finds the behaviors and errors of an individual. The error is the absolute
-  deviation between the target output value and the program's selected behavior,
-  or 1000000 if no behavior is produced. The behavior is here defined as the
-  final top item on the INTEGER stack."
-  ([argmap data individual]
-   (let [program (genome/plushy->push (:plushy individual) argmap)
-         inputs (map (fn [x] (first (:input1 x))) data)
-         correct-outputs (map (fn [x] (first (:output1 x))) data)
-         outputs (map (fn [input]
-                        (state/peek-stack
-                          (interpreter/interpret-program
-                            program
-                            (assoc state/empty-state :input {:in1 input})
-                            (:step-limit argmap))
-                          :integer))
-                      inputs)
-         errors (map (fn [correct-output output]
-                       (if (= output :no-stack-item)
-                         1000000
-                         (math/abs (- correct-output output))))
-                     correct-outputs
-                     outputs)]
-     (assoc individual
-       :behaviors outputs
-       :errors errors
-       :total-error #?(:clj  (apply +' errors)
-                       :cljs (apply + errors))))))
-
-(def integer-argmap
-  {:instructions             instructions
-   :error-function           error-function
-   :training-data            (:train train-and-test-data)
-   :testing-data             (:test train-and-test-data)
-   :max-generations          300
-   :population-size          1000
-   :max-initial-plushy-size  5
-   :step-limit               200
-   :parent-selection         :lexicase
-   :tournament-size          5
-   :umad-rate                0.1
-   :variation                {:umad 1.0 :crossover 0.0}
-   :elitism                  false})
-
-(defn -main
-  "Runs the top-level genetic programming function, giving it a map of 
-  arguments with defaults that can be overridden from the command line
-  or through a passed map."
-  [& args]
-  (gp/gp
-    (merge
-     integer-argmap
-     (apply hash-map (map #(if (string? %) (read-string %) %) args)))))

src/propeller/push/instructions/numeric.cljc

@@ -20,36 +20,6 @@
   (fn [stack state]
     (make-instruction state > [stack stack] :boolean)))
 
-;; Pushes :buy onto the SIGNAL stack if the first item is greater than the second
-;; item, and acts as a no-op otherwise.
-(def _gt_buy
-  "Pushes :buy onto the SIGNAL stack if the first item is greater
-  than the second item, and acts as a no-op otherwise"
-  ^{:stacks #{:signal}
-    :name "_gt_buy"}
-  (fn [stack state]
-    (make-instruction state #(if (> %1 %2) :buy nil) [stack stack] :signal)))
-
-;; Pushes :sell onto the SIGNAL stack if the first item is greater than the second
-;; item, and acts as a no-op otherwise.
-(def _gt_sell
-  "Pushes :sell onto the SIGNAL stack if the first item is greater
-  than the second item, and acts as a no-op otherwise"
-  ^{:stacks #{:signal}
-    :name "_gt_sell"}
-  (fn [stack state]
-    (make-instruction state #(if (> %1 %2) :sell nil) [stack stack] :signal)))
-
-;; Pushes :hold onto the SIGNAL stack if the first item is greater than the second
-;; item, and acts as a no-op otherwise.
-(def _gt_hold
-  "Pushes :hold onto the SIGNAL stack if the first item is greater
-  than the second item, and acts as a no-op otherwise"
-  ^{:stacks #{:signal}
-    :name "_gt_hold"}
-  (fn [stack state]
-    (make-instruction state #(if (> %1 %2) :hold nil) [stack stack] :signal)))
-
 ;; Pushes TRUE onto the BOOLEAN stack if the second item is greater than or
 ;; equal to the top item, and FALSE otherwise
 (def _gte
@@ -60,36 +30,6 @@
   (fn [stack state]
     (make-instruction state >= [stack stack] :boolean)))
 
-;; Pushes :buy onto the SIGNAL stack if the first item is greater than or equal to the second
-;; item, and acts as a no-op otherwise.
-(def _gte_buy
-  "Pushes :buy onto the SIGNAL stack if the first item is greater
-  than or equal to the second item, and acts as a no-op otherwise"
-  ^{:stacks #{:signal}
-    :name "_gte_buy"}
-  (fn [stack state]
-    (make-instruction state #(if (>= %1 %2) :buy nil) [stack stack] :signal)))
-
-;; Pushes :sell onto the SIGNAL stack if the first item is greater than or equal to the second
-;; item, and acts as a no-op otherwise.
-(def _gte_sell
-  "Pushes :sell onto the SIGNAL stack if the first item is greater
-  than or equal to the second item, and acts as a no-op otherwise"
-  ^{:stacks #{:signal}
-    :name "_gte_sell"}
-  (fn [stack state]
-    (make-instruction state #(if (>= %1 %2) :sell nil) [stack stack] :signal)))
-
-;; Pushes :hold onto the SIGNAL stack if the first item is greater than or equal to the second
-;; item, and acts as a no-op otherwise.
-(def _gte_hold
-  "Pushes :hold onto the SIGNAL stack if the first item is greater
-  than or equal to the second item, and acts as a no-op otherwise"
-  ^{:stacks #{:signal}
-    :name "_gte_hold"}
-  (fn [stack state]
-    (make-instruction state #(if (>= %1 %2) :hold nil) [stack stack] :signal)))
-
 ;; Pushes TRUE onto the BOOLEAN stack if the second item is less than the top
 ;; item, and FALSE otherwise
 (def _lt
@@ -100,36 +40,6 @@
   (fn [stack state]
     (make-instruction state < [stack stack] :boolean)))
 
-;; Pushes :buy onto the SIGNAL stack if the first item is less than the second
-;; item, and acts as a no-op otherwise.
-(def _lt_buy
-  "Pushes :buy onto the SIGNAL stack if the first item is less
-  than the second item, and acts as a no-op otherwise"
-  ^{:stacks #{:signal}
-    :name "_lt_buy"}
-  (fn [stack state]
-    (make-instruction state #(if (< %1 %2) :buy nil) [stack stack] :signal)))
-
-;; Pushes :sell onto the SIGNAL stack if the first item is less than the second
-;; item, and acts as a no-op otherwise.
-(def _lt_sell
-  "Pushes :sell onto the SIGNAL stack if the first item is less
-  than the second item, and acts as a no-op otherwise"
-  ^{:stacks #{:signal}
-    :name "_lt_sell"}
-  (fn [stack state]
-    (make-instruction state #(if (< %1 %2) :sell nil) [stack stack] :signal)))
-
-;; Pushes :hold onto the SIGNAL stack if the first item is less than the second
-;; item, and acts as a no-op otherwise.
-(def _lt_hold
-  "Pushes :hold onto the SIGNAL stack if the first item is less
-  than the second item, and acts as a no-op otherwise"
-  ^{:stacks #{:signal}
-    :name "_lt_hold"}
-  (fn [stack state]
-    (make-instruction state #(if (< %1 %2) :hold nil) [stack stack] :signal)))
-
 ;; Pushes TRUE onto the BOOLEAN stack if the second item is less than or equal
 ;; to the top item, and FALSE otherwise
 (def _lte
@@ -140,36 +50,6 @@
   (fn [stack state]
     (make-instruction state <= [stack stack] :boolean)))
 
-;; Pushes :buy onto the SIGNAL stack if the first item is less than or equal to the second
-;; item, and acts as a no-op otherwise.
-(def _lte_buy
-  "Pushes :buy onto the SIGNAL stack if the first item is less
-  than or equal to the second item, and acts as a no-op otherwise"
-  ^{:stacks #{:signal}
-    :name "_lte_buy"}
-  (fn [stack state]
-    (make-instruction state #(if (<= %1 %2) :buy nil) [stack stack] :signal)))
-
-;; Pushes :sell onto the SIGNAL stack if the first item is less than or equal to the second
-;; item, and acts as a no-op otherwise.
-(def _lte_sell
-  "Pushes :sell onto the SIGNAL stack if the first item is less
-  than or equal to the second item, and acts as a no-op otherwise"
-  ^{:stacks #{:signal}
-    :name "_lte_sell"}
-  (fn [stack state]
-    (make-instruction state #(if (<= %1 %2) :sell nil) [stack stack] :signal)))
-
-;; Pushes :hold onto the SIGNAL stack if the first item is less than or equal to the second
-;; item, and acts as a no-op otherwise.
-(def _lte_hold
-  "Pushes :hold onto the SIGNAL stack if the first item is less
-  than or equal to the second item, and acts as a no-op otherwise"
-  ^{:stacks #{:signal}
-    :name "_lte_hold"}
-  (fn [stack state]
-    (make-instruction state #(if (<= %1 %2) :hold nil) [stack stack] :signal)))
-
 ;; Pushes the sum of the top two items onto the same stack
 (def _add
   "Pushes the sum of the top two items onto the same stack"
@@ -293,11 +173,11 @@ Otherwise, acts as a NOOP"
   (fn [stack state]
     (make-instruction state dec [stack] stack)))
 
+;; 2 types x 16 functions = 32 instructions
 (generate-instructions
   [:float :integer]
   [_gt _gte _lt _lte _add _subtract _mult _quot _mod _max _min _inc _dec
-   _from_boolean _from_char _from_string _gt_buy _gt_sell _gt_hold _gte_buy
-   _gte_sell _gte_hold _lt_buy _lt_sell _lt_hold _lte_buy _lte_sell _lte_hold])
+   _from_boolean _from_char _from_string])
 
 ;; =============================================================================
 ;; FLOAT Instructions only

src/propeller/push/instructions/polymorphic.cljc

@@ -232,9 +232,9 @@
         (state/push-to-stack popped-state stack indexed-item))
       state)))
 
-;; 12 types x 13 functions = 156 instructions
+;; 11 types x 13 functions = 143 instructions
 (generate-instructions
   [:boolean :char :code :exec :float :integer :string
-   :vector_boolean :vector_float :vector_integer :vector_string :signal]
+   :vector_boolean :vector_float :vector_integer :vector_string]
   [_dup _dup_times _dup_items _empty _eq _flush _pop _rot _shove
    _stack_depth _swap _yank _yank_dup _deep_dup])

src/propeller/push/instructions/signal.cljc

@@ -1,8 +0,0 @@
-(ns propeller.push.instructions.signal
-  "SIGNAL instructions. Instructions pertaining only to trading signals
-   are located here."
-  (:require [propeller.tools.math :as math]
-           [propeller.push.instructions :refer [def-instruction
-                                                generate-instructions
-                                                make-instruction]]))
-

src/propeller/push/interpreter.cljc

@@ -11,11 +11,6 @@
         instruction (first (:exec state))
         literal-type (instructions/get-literal-type instruction)]     ; nil for non-literals
     (cond
-      ;;
-      ;; Catch the trading signal keywords before the other
-      ;; keyword checks.
-      (some #(= instruction %) '(:buy :sell :hold))
-      (state/push-to-stack popped-state :signal instruction)
       ;;
       ;; Recognize functional instruction or input instruction
       (keyword? instruction)

src/propeller/push/state.cljc

@@ -5,21 +5,19 @@
 
 ;; Empty push state - all available stacks are empty
 (defonce ^:no-doc empty-state {:boolean        '()
-                               :char           '()
-                               :code           '()
-                               :exec           '()
-                               :float          '()
-                               :input          {}
-                               :output         {}
-                               :integer        '()
-                               :print          '("")
-                               :string         '()
-                               :vector_boolean '()
-                               :vector_float   '()
-                               :vector_integer '()
-                               :vector_string  '()
-                               :signal         '() ;; stock trading signal (:buy, :sell, or :hold only), long only for now
-                               })
+                      :char           '()
+                      :code           '()
+                      :exec           '()
+                      :float          '()
+                      :input          {}
+                      :output         {}
+                      :integer        '()
+                      :print          '("")
+                      :string         '()
+                      :vector_boolean '()
+                      :vector_float   '()
+                      :vector_integer '()
+                      :vector_string  '()})
 
 ;; All stack types available in a Push state
 (defonce ^:no-doc stacks (set (keys empty-state)))