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| import os | |
| import pandas as pd | |
| import traceback as tb | |
| import numpy as np | |
| from argparse import ArgumentParser | |
| # Args: | |
| # niterations | |
| # binary_operators | |
| # unary_operators | |
| # col_to_fit | |
| empty_df = pd.DataFrame( | |
| { | |
| "equation": [], | |
| "loss": [], | |
| "complexity": [], | |
| } | |
| ) | |
| if __name__ == "__main__": | |
| parser = ArgumentParser() | |
| parser.add_argument("--niterations", type=int) | |
| parser.add_argument("--maxsize", type=int) | |
| parser.add_argument("--binary_operators", type=str) | |
| parser.add_argument("--unary_operators", type=str) | |
| parser.add_argument("--col_to_fit", type=str) | |
| parser.add_argument("--filename", type=str) | |
| args = parser.parse_args() | |
| niterations = args.niterations | |
| binary_operators = eval(args.binary_operators) | |
| unary_operators = eval(args.unary_operators) | |
| col_to_fit = args.col_to_fit | |
| filename = args.filename | |
| maxsize = args.maxsize | |
| os.environ["PATH"] += ":/home/user/.local/bin/" | |
| try: | |
| import pysr | |
| from julia.api import JuliaInfo | |
| info = JuliaInfo.load(julia="/home/user/.local/bin/julia") | |
| from julia import Main as _Main | |
| pysr.sr.Main = _Main | |
| from pysr import PySRRegressor | |
| df = pd.read_csv(filename) | |
| y = np.array(df[col_to_fit]) | |
| X = df.drop([col_to_fit], axis=1) | |
| model = PySRRegressor( | |
| update=False, | |
| progress=False, | |
| maxsize=maxsize, | |
| niterations=niterations, | |
| binary_operators=binary_operators, | |
| unary_operators=unary_operators, | |
| ) | |
| model.fit(X, y) | |
| df = model.equations_[["equation", "loss", "complexity"]] | |
| # Convert all columns to string type: | |
| df = df.astype(str) | |
| error_message = ( | |
| "Success!\n" | |
| f"You may run the model locally (faster) with " | |
| f"the following parameters:" | |
| +f""" | |
| model = PySRRegressor( | |
| niterations={niterations}, | |
| binary_operators={str(binary_operators)}, | |
| unary_operators={str(unary_operators)}, | |
| maxsize={maxsize}, | |
| ) | |
| model.fit(X, y)""") | |
| except Exception as e: | |
| error_message = tb.format_exc() | |
| # Dump to file: | |
| df = empty_df | |
| df.to_csv("pysr_output.csv", index=False) | |
| with open("error.log", "w") as f: | |
| f.write(error_message) | |