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class FeatureSolver(AbstractSolver): | |
def __init__( | |
self, | |
problem_type=float, | |
fitness_func= lambda a : fitness_func(a), | |
pop_cnt: int = 40, | |
gene_size: int = 50, | |
max_gen: int = 2, | |
mutation_ratio: float = 0.2, | |
selection_ratio: float = 0.2, |
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def fitness_func(chromosome): | |
columns = [] | |
for i in range(len(x_train.columns)): | |
if i in chromosome: | |
columns.append(x_train.columns[i]) | |
dist.append(columns) | |
training_set = x_train[columns] | |
print(training_set) | |
test_set = x_test[columns] | |
lg = LinearRegression().fit(training_set.values, y_train.values) |
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x = df1.drop("ViolentCrimesPerPop", axis=1) | |
y = df1["ViolentCrimesPerPop"] | |
x_train, x_test, y_train, y_test = train_test_split(x, y, train_size=0.8, random_state=24) | |
print(x_train.shape , y_train.shape) | |
print(x_test.shape , y_test.shape) |
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def drop_columns(columns , df): | |
''' | |
Given dataframe , returns updated df with removed colums | |
''' | |
for i in columns: | |
df = df.drop(i , axis=1) | |
return df | |
drop_list = ['state' , 'county' , 'community' , 'communityname' , 'fold' ] |
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df1 = pd.read_csv("communities.data" , header=None) | |
def read_header(filename): | |
''' | |
Given a filename containing headers, extract the headers and assign it to df | |
''' | |
header_list = [] | |
with open(filename) as f: | |
for line in f: | |
if "@attribute" in line: |
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