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题解 | #统一最后刷题日期的格式#

import pandas as pd import time Nowcoder = pd.read_csv('Nowcoder.csv', sep=',', dtype=object) Nowcoder['Last...

2022-08-13

2 309

题解 | #解决牛客网用户重复的数据#

print(Nowcoder.duplicated()) print(Nowcoders.drop_duplicates(inplace=True))

2022-08-13

0 308

题解 | #修补缺失的用户数据#

Nowcoder['Graduate_year'].fillna(value=Nowcoder['Graduate_year'].max(),inplace=True) Nowcoder['Language'].fillna(value='Python',inplace=True) Nowcoder...

2022-08-13

0 298

题解 | #去掉信息不全的用户#

print(Nowcoder.dropna(axis=0))

2022-08-13

0 219

题解 | #统计牛客网用户的名字长度#

print(Nowcoder['Name'].str.len())

2022-08-13

0 175

题解 | #牛客网用户最高的正确率#

print(round((Nowcoder[Nowcoder['Num_of_exercise']>10]['Num_of_exercise'] / Nowcoder[Nowcoder['Num_of_exercise']>10]['Number_of_submiss...

2022-08-13

0 206

题解 | #大佬用户成就值比例#

import pandas as pd Nowcoder = pd.read_csv('Nowcoder.csv', sep=',') sum = Nowcoder['Achievement_value'].sum(...

2022-08-13

0 193

题解 | #牛客用户刷题量的方差与提交次数的标准差#

import pandas as pd Nowcoder = pd.read_csv('Nowcoder.csv', sep=',') print(round(Nowcoder['Num_of_exercise'].var(),2)) ...

2022-08-13

0 245

题解 | #牛客网大佬之间的差距#

print(Nowcoder[Nowcoder['Level']==7]['Achievement_value'].max() - Nowcoder[Nowcoder['Level']==7]['Achievement_value'].min())

2022-08-13

0 227

题解 | #牛客网用户等级的中位数#

print(int(Nowcoder[Nowcoder['Num_of_exercise'] >= 10]['Level'].median()))

2022-08-12

0 254