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124
fsl_mrs_mce/mc_in.py
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124
fsl_mrs_mce/mc_in.py
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# mc_in.py - Helpers for Monte-Carlo style simulations
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#
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# Author: Konstantin E Bosbach <konstantin.bosbach@mars.uni-freiburg.de>
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import numpy as np
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import pandas as pd
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from configparser import ConfigParser
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def load_config(input_folder="input/", section="default"):
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"""Loads configuration file.
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If given option section="": returns list of config sections"""
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# Information from config txt
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try:
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# Load txt
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configFilePath = str(input_folder + "config.txt")
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configParser = ConfigParser()
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configParser.read(configFilePath)
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try:
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if section == "":
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return configParser.sections()
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else:
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return configParser[section]
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except input:
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print(configParser.sections())
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print(f"No {section} section.")
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except input:
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print(f"No {configFilePath} provided.")
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def conc_df_from_file(input_path="input/", foundation="vivo_average",
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include_molecules=[], save_df=True):
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sections = load_config(input_path, "")
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"""Generates concentration dataframe for mc method.
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Supports different variation types (absolute/delta/relative)
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Returns data_frame of different concentrations.
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include_molecules needed for option some_molecules"""
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# Load all relevant sections
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list_parser_parameter = []
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for i in sections:
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if i[0:20] == "generation_parameter":
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list_parser_parameter.append(load_config(input_path, i))
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# Load foundation file, a line with e.g. in-vivo averages
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# The code expects a one-line-foundation.
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molecule_names = ['Ala', 'Asc', 'Asp', 'Cr', 'GABA', 'GPC', 'GSH',
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'Glc', 'Gln', 'Glu', 'Ins', 'Lac', 'NAA', 'NAAG',
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'PCho', 'PCr', 'PE', 'Scyllo', 'Tau',
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'mm', 'Glu+Gln', 'GPC+PCho', 'Cr+PCr',
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'Glc+Tau', 'NAA+NAAG']
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if foundation == "vivo_average":
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try:
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df_foundation = pd.read_csv(
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"basis/fit_conc_result.csv").mean().to_frame().transpose()
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except:
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print("No basis/fit_conc_result.csv file supplied")
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# Sets all initial molecules, including some groups, to 0
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if foundation == "flat":
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try:
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df_foundation = pd.read_csv(
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"basis/fit_conc_result.csv").mean().to_frame().transpose()
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for molecule in molecule_names:
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df_foundation[molecule] = 0
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except:
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print("No basis/fit_conc_result.csv file supplied")
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if foundation == "some_molecules":
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try:
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df_foundation = pd.read_csv(
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"basis/fit_conc_result.csv").mean().to_frame().transpose()
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for molecule in molecule_names:
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if molecule not in include_molecules:
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df_foundation[molecule] = 0
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except:
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print("No basis/fit_conc_result.csv file supplied")
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else:
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print("Only foundation mode vivo_average not chosen")
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# Load values, dependent on type absolute/delta/relative
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list_parameter_values = []
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list_parameter_names = []
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for i in list_parser_parameter:
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string_values = i["amount"][1:-1]
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list_values = list(map(float, string_values.split(",")))
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if i["type"] == "absolute":
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# set absolute values
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None
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elif i["type"] == "delta":
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# set absolute value offset from foundation
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list_values = np.add(list_values, df_foundation[i["param"]].mean())
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elif i["type"] == "relative":
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# set relative value from foundation
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list_values = np.multiply(
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list_values, df_foundation[i["param"]].mean())
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list_parameter_values.append(list_values)
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list_parameter_names.append(i["param"])
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# Create parameter tensor
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mesh_parameter_values = np.meshgrid(*list_parameter_values)
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# Create 'empty' standard data
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df_conc = pd.concat(
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[df_foundation]*int(np.array(mesh_parameter_values[0]).size),
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ignore_index=True
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)
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# Write parameter values into dataframe
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i = 0
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while i <= len(list_parameter_values)-1:
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parameter_values = mesh_parameter_values[i].ravel()
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parameter_name = list_parameter_names[i]
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print(parameter_name, parameter_values)
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df_conc[parameter_name] = parameter_values
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i = i+1
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if save_df:
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df_conc.to_csv(str(input_path+"df_conc.csv"))
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return df_conc
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2
setup.py
2
setup.py
@@ -1,7 +1,7 @@
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from setuptools import setup
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from setuptools import setup
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setup(name='fsl_mrs_mce',
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setup(name='fsl_mrs_mce',
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version='0.0.21',
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version='0.0.22',
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description='A fsl_mrs Moncte Carlo estimation approach',
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description='A fsl_mrs Moncte Carlo estimation approach',
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url='https://git.thoffbauer.de/konstantin.bosbach/fsl_mrs_mce.git',
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url='https://git.thoffbauer.de/konstantin.bosbach/fsl_mrs_mce.git',
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author='Konstantin E Bosbach',
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author='Konstantin E Bosbach',
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