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OMIS 114 Question and answers rated A+
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OMIS 114 Question and answers rated A+ OMIS 114 - Quiz 3 pd.DataFrame( {column1 : [], column2 : []} ) - correct answer creates DataFrame from scratch df.Fruit = aFrame( {column1 : [], column2 : []}, index = [row 1, row 2] - correct answer creates DataFrame from scratch and adds rows and ...

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  • November 5, 2024
  • 3
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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OMIS 114 - Quiz 3
pd.DataFrame( {column1 : [row1.item], column2 : [row1.item]} ) - correct
answer ✔creates DataFrame from scratch


df.Fruit = aFrame( {column1 : [row1.item], column2 : [row1.item]}, index = [row
1, row 2] - correct answer ✔creates DataFrame from scratch and adds rows
and SAVES IT TO FRUIT DATAFRAME


df.Fruit.to_csv('FILE_NAME') - correct answer ✔writes the file to a .csv file


df = pd.read_csv('students.csv') - correct answer ✔reads the file and assigns
to the df dataframe


df = df.set_index('Name') - correct answer ✔sets index of DataFrame to
"name" column


df.index - correct answer ✔returns the index labels


df.columns - correct answer ✔returns the list of column names (as an index
object)


df.values - correct answer ✔returns a ndarray of values


df.iloc[x ,y] - correct answer ✔access using POSITIONAL INDEX where:
x = info needed to select rows (pos. idx or range of integers)
y = info needed to select columns (pos. idx or range of integers)

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