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python
# load necessary packages and view available data
import os
import numpy as np
import pandas as pd
import matplotlib.pyplot as plt
import seaborn as sns

#%matplotlib inline
sns.set()
#数据所在位置
#print(os.listdir("D:/Milan_Tech/My RUL paper 2 基于状态的RUL/data/txt"))
# Setting seed for reproducability
np.random.seed(1234)  
PYTHONHASHSEED = 0


# the files did not contain headers. Here we create labels based on documentation
##设置列名，因为txt文件里没有列名，
target_var = ['Target_Remaining_Useful_Life']
index_columns_names =  ["UnitNumber","Cycle"]                    #双索引，UnitNumber 和 Cycle
op_settings_columns = ["Op_Setting_"+str(i) for i in range(1,4)] #3个operational setting
sensor_columns =["Sensor_"+str(i) for i in range(1,22)]          #21个sensor数据
column_names = index_columns_names + op_settings_columns + sensor_columns
#print(column_names)