
Kelompok 3 - Data Science Batch 28
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Information Technology (IT)
Professional Development
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fungsi apa yang digunakan dalam Pandas untuk menghapus baris dengan nilai kosong (NaN)?
df.dropna()
df.remove_null()
df.clean_na()
df.clear_empty()
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Metode apa yang digunakan untuk mengganti nilai kosong (NaN) dengan nilai tertentu dalam kolom di Pandas?
df.replace_nan()
df.fillna()
df.interpolate()
df.dropna()
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Manakah dari metode berikut yang digunakan untuk mendeteksi duplikasi data di DataFrame Pandas?
df.is_duplicate()
df.check_duplicates()
df.duplicated()
df.find_duplicates()
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Metode mana yang digunakan untuk menggabungkan dua DataFrame berdasarkan kolom yang sama?
pd.merge(df1, df2, on='column')
df1.append(df2)
df1.concat(df2)
df1.join(df2)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dalam proses data cleaning, apa tujuan utama dari menghapus nilai outlier?
Menghapus data yang tidak disukai
Meningkatkan performa dengan mengurangi jumlah baris dalam dataset
Meningkatkan akurasi analisis dengan menghilangkan data ekstrem yang bisa menyebabkan bias
Mengurangi ukuran file dataset agar lebih mudah disimpan
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa yang terjadi ketika kita menjalankan df = df.drop_duplicates()?
Menyebabkan setiap baris dalam dataframe menjadi unik
Terjadi error karena tidak menyertakan nilai pada parameter subset
Terjadi error karena syntax yang benar adalah df = df.drop_duplicate()
Semua baris yang duplikat terhapus
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ketika berurusan dengan outlier, bagaimana Anda memutuskan apakah akan menghapus, memodifikasi, atau mempertahankannya dalam dataset?
Kesalahan Entri Data
Nilai Ekstrem Valid
Pelabelan Statistik
Konteks Bisnis
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