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[英]How to calculate growth in percentage between rows in a Pandas DataFrame?
[英]How to calculate the percentage of rows in pandas?
我想创建一个新行,其中包含每列的百分比和减号的百分比。
alldata_2.head()
Conditions -1 1
NormalBlink1400 48 108
NormalBlink2000 74 124
NormalBlink3000 77 147
NormalBlink4000 67 150
NormalNoBlink1400 40 119
我要添加的两行: perc_one = (one / one + minus_one)
perc_minus_one = (minus_one / one + minus_one)
import pandas as pd
data = {'Conditions ': ['NormalBlink1400', 'NormalBlink2000', 'NormalBlink3000', 'NormalBlink4000','NormalNoBlink1400'],
'-1': [48, 74, 77, 67,40],
'1': [108, 124, 147, 150,119]}
df = pd.DataFrame(data)
df['perc_one '] = (df["1"] / (df["1"] + df["-1"]))
df["perc_minus_one"] = (df["-1"] / (df["1"] + df["-1"]))
Output:
df.head()
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