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Data Manipulation using pandas
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Data Manipulation using pandas

Data Manipulation using pandas

1. Preprocessing Data: Part I

What is Data Preprocessing?Types consistencyPoor Data PresentationManipulating StringsChallengeReplacing Specific ElementsSimultaneous ReplacementChallenge

2. Preprocessing Data: Part II

Logical InconsistencyRemoving RowsChallengeOutliersChallengeMissing ValuesFilling NA valuesChallenge

3. Grouping Data

What is Grouping Data?Grouping in pandas [1/2]ChallengeGrouping in pandas [2/2]ChallengeGrouping by Several ColumnsChallenge

4. Aggregating and Visualizing Data

Advanced Aggregation [1/2]ChallengeAdvanced Aggregation [2/2]ChallengeHistogramsChallengeBar and Scatter PlotsOther Types of GraphsChallenge 1Challenge 2

5. Joining Data

What is Joining Data?Left JoinRight JoinInner JoinOuter JoinConcatenation

Challenge

Let's find out the average prices for each pair of number of rooms - number of bedrooms in a dwelling.

Tarefa

  1. Group the values in the df dataframe by values of 'roomh', 'broomh' columns.
  2. Select the 'valueh' column.
  3. Calculate means for each group.

Tarefa

  1. Group the values in the df dataframe by values of 'roomh', 'broomh' columns.
  2. Select the 'valueh' column.
  3. Calculate means for each group.

Tudo estava claro?

Seção 3. Capítulo 7
toggle bottom row

Challenge

Let's find out the average prices for each pair of number of rooms - number of bedrooms in a dwelling.

Tarefa

  1. Group the values in the df dataframe by values of 'roomh', 'broomh' columns.
  2. Select the 'valueh' column.
  3. Calculate means for each group.

Tarefa

  1. Group the values in the df dataframe by values of 'roomh', 'broomh' columns.
  2. Select the 'valueh' column.
  3. Calculate means for each group.

Tudo estava claro?

Seção 3. Capítulo 7
toggle bottom row

Challenge

Let's find out the average prices for each pair of number of rooms - number of bedrooms in a dwelling.

Tarefa

  1. Group the values in the df dataframe by values of 'roomh', 'broomh' columns.
  2. Select the 'valueh' column.
  3. Calculate means for each group.

Tarefa

  1. Group the values in the df dataframe by values of 'roomh', 'broomh' columns.
  2. Select the 'valueh' column.
  3. Calculate means for each group.

Tudo estava claro?

Let's find out the average prices for each pair of number of rooms - number of bedrooms in a dwelling.

Tarefa

  1. Group the values in the df dataframe by values of 'roomh', 'broomh' columns.
  2. Select the 'valueh' column.
  3. Calculate means for each group.

Seção 3. Capítulo 7
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