
Data Manipulation & Data Cleaning
Quiz
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Other
•
Professional Development
•
Practice Problem
•
Medium
Riza Nurhasyifa
Used 2+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rumus untuk menghapus baris yang duplikat
df.drop_duplicates
df.drop_duplicates()
df.drop_duplicates(inplace=True)
df.drop_duplicates(inplace=False)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Manakah yang bukan termasuk Dataframe attributes
head
Dtypes
Size
Shape
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Manakah method untuk drop missing value pada baris
data.dropna()
data.dropna(axis=1)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mana code yang benar untuk membuat pivot table dengan baris Contract, kolom PaymentMethod dan value adalah rata-rata TotalCharges
pivot_table = df.pivot_table(index='TotalCharges', columns='Contract', values='PaymentMethod', aggfunc=['median'])
pivot_table = df.pivot_table(index='Contract', columns='PaymentMethod', values='TotalCharges', aggfunc=['mean'])
pivot_table = df.pivot_table(index='TotalCharges', columns='Contract', values='Contract', aggfunc=['median'])
pivot_table = df.pivot_table(index='PaymentMethod', columns='Contract', values='TotalCharges', aggfunc=['mean'])
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Manakah method untuk drop missing value pada kolom
data.dropna()
data.dropna(axis=1)
data.drop(axis = 0)
data.isna().sum()
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa yang dimaksud data cleaning?
Proses menghasilkan data baru dari data yang ada
Proses menghapus data yang tidak relevan
Proses membersihkan dan memperbaiki data yang tidak lengkap, tidak akurat, atau tidak terstruktur
Proses menyimpan data dalam format yang berbeda
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