
Pandas Fundamentals
Authored by Freddy Paul Carrion Maldonado
Other
University
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6 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cómo se crea un DataFrame a partir de un diccionario en pandas?
pd.DataFrame({col1: [1, 2], col2: [3, 4]})
pd.DataFrame({'col1': [1, 2], 'col2': [3, 4]})
pd.DataFrame({'col1': [1, 2], 'col2': [3, 4]}).from_dict()
pd.DataFrame().from_dict({'col1': [1, 2], 'col2': [3, 4]})
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cómo se selecciona una columna llamada 'age' de un DataFrame df?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cómo se ordenaría un DataFrame df por la columna 'salary' en orden descendente?
df.sort_values('salary', ascending=False)
df.sort_by('salary', desc=True)
df.order_by('salary', descending=True)
df.sort_values('salary', desc=True)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la función para combinar dos DataFrames df1 y df2 por una columna común 'id'?
pd.merge(df1, df2, by='id')
pd.concat(df1, df2, on='id')
pd.merge(df1, df2, on='id')
pd.join(df1, df2, using='id')
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué método se usa para cambiar el nombre de una columna de 'old_name' a 'new_name'?
df.rename_column('old_name', 'new_name')
df.columns.rename('old_name', 'new_name')
df.rename({'old_name': 'new_name'})
df.rename(columns={'old_name': 'new_name'})
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cómo se selecciona las columnas 'age' y 'salary' de las filas que tengan pertenezcan a la categoria A?
df.loc[df.categoria=='A', ['age', 'salary']]
df.loc[['age', 'salary'], df[categoria]==A]
df.iloc[['A'], ['age', 'salary']]
df.sel[['A'], ['age', 'salary']]
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