Manipulasi Data dan Data Cleaning
Quiz
•
Science
•
12th Grade
•
Practice Problem
•
Medium
clifford louis
Used 1+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Berikut Tujuan utama dalam manipulasi data kecuali..
Membersihkan Data
Transformasi Data
Mengorganisir Data
Membuat Data Palsu
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Apaitu DataFrame?
datadalam frame
tabel
datayang diimpor melalui csv
JSON
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Sebutkan fungsi dari df.describe()
Memberikan ringkasan statistik dari dataframe
Melihat seberapa tersebar nilai-nilai dalam setiap kolom
Memberikan beberapa informasi beberapa baris pertama
Adan Benar
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Sebutkan metode untuk identifikasi outlier
zScore
metode IQR
analisis boxplot
Semua benar
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Ketika membersihkan data yang berbentuk teks, langkah apa saja yang sering digunakan untuk memastikan data memiliki format yang konsisten?
Menghapus spasi ekstra
Mengubah semua huruf menjadi huruf kapital atau huruf kecil
Mengganti karakter khusus dengan karakter standar
Semua benar
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Apayang dimaksud dengan "standarisasi" dalam proses data cleansing?
Menghapus entri data yang tidak valid
Mengonversi data kedalam format atau unit yang seragam
Menggabungkan beberapa dataset menjadi satu
Mengidentifikasi dan menghapus data duplikat
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Dalam Python, metode manayang umum digunakan untuk menghilangkan data duplikat dari sebuah DataFrame menggunakan pustaka pandas?
df.dropna()
df.fillna()
df.drop_duplicates()
df.replace()
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