我有一个代码,其中使用pandas打开了一个csv文件并创建了一个新的csv文件。我需要创建一行代码“注释掉的最后两行”,该行代码是将两行相减然后取绝对值。我尝试了很多想法,但都出现了错误。
import pandas as pd
import numpy as np
df = pd.read_csv(filename_read)
ids = df['id']
oosDF = pd.DataFrame()
oosDF['id'] = ids
oosDF['pred'] = pred
oosDF['y'] = df['target']
#oosDF['diff'] = oosdF['pred'] - oosDF['y']
#oosDF['diff'] = oosDF.abs()
oosDF['diff'] = (oosdF['pred'] - oosDF['y']).abs()
。 - jezrael