def nodeReplace(path):
terminals = scrape.getTerminal()
string_terminals = filter(lambda t: type(t) == type('str'), terminals)
path_string_terminals = filter(lambda t: t in path, string_terminals)
apple_data = filter(lambda t: t[0] == 'a', path_string_terminals)
nasdaq_data = filter(lambda t: t[0] == 'n', path_string_terminals)
sp500_data = filter(lambda t: t[0] == 's', path_string_terminals)
map(lambda t: replaceWrapper(path, t, 'a'), apple_data)
map(lambda t: replaceWrapper(path, t, 'n'), nasdaq_data)
map(lambda t: replaceWrapper(path, t, 's'), sp500_data)
def nodeReplace(path):
terminals = scrape.getTerminal()
string_terminals = filter(lambda t: type(t) == type('str'), terminals)
path_string_terminals = filter(lambda t: t in path, string_terminals)
apple_data = filter(lambda t: t[0] == 'a', path_string_terminals)
nasdaq_data = filter(lambda t: t[0] == 'n', path_string_terminals)
sp500_data = filter(lambda t: t[0] == 's', path_string_terminals)
map(lambda t: replaceWrapper(path, t, 'a'), apple_data)
map(lambda t: replaceWrapper(path, t, 'n'), nasdaq_data)
map(lambda t: replaceWrapper(path, t, 's'), sp500_data)
def fillGeneticTree(root):
#Load terminal list with terminal nodes
terminal = scrape.getTerminal()
#Load functional list with functional nodes
functional = scrape.getFunctional()
#Keeps track of functional and terminal list positions
terminal_index = 0
functional_index = 0
stack = []
stack.append(root)
temp_terminal = sample(terminal, len(terminal)) #shuffle terminal
temp_functional = sample(functional, len(functional)) #shuffle functional
#While loop ensures that initial population has
#one of each type of functional node
#and one of each type of terminal node
while (len(stack) > 0):
current = stack.pop()
if (current.left == None and current.right == None):
#Node is a leaf, insert terminal node
current.value = temp_terminal[terminal_index]
terminal_index += 1
else: #Node is not a leaf, insert a functional node
current.value = temp_functional[functional_index]
functional_index += 1
#Resets indices if out of bounds
if terminal_index == len(temp_terminal):
terminal_index = 0
if functional_index == len(temp_functional):
functional_index = 0
temp_node = current.right
if temp_node != None:
stack.append(temp_node) #stack.push
temp_node = current.left
if temp_node != None:
stack.append(temp_node) #stack.push
def fillGeneticTree(root): #Load terminal list with terminal nodes terminal = scrape.getTerminal() #Load functional list with functional nodes functional = scrape.getFunctional() #Keeps track of functional and terminal list positions terminal_index = 0 functional_index = 0 stack = [] stack.append(root) temp_terminal = sample(terminal, len(terminal)) #shuffle terminal temp_functional = sample(functional,len(functional)) #shuffle functional #While loop ensures that initial population has #one of each type of functional node #and one of each type of terminal node while(len(stack) > 0): current = stack.pop() if(current.left == None and current.right == None): #Node is a leaf, insert terminal node current.value = temp_terminal[terminal_index] terminal_index += 1 else: #Node is not a leaf, insert a functional node current.value = temp_functional[functional_index] functional_index += 1 #Resets indices if out of bounds if terminal_index == len(temp_terminal): terminal_index = 0 if functional_index == len(temp_functional): functional_index = 0 temp_node = current.right if temp_node != None: stack.append(temp_node) #stack.push temp_node = current.left if temp_node != None: stack.append(temp_node) #stack.push