9 Cleaning and Structuring Data

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9.1 The Format of a dataframe

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9.1.1 Converting a dataframe Structure (long and wide)

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9.2 Converting lists into dataframes

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9.3 Removing Outliers

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9.3.1 Treating Outliers in dataframes

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9.4 Inflation and Price Data

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9.5 Modifying Time Frequency and Aggregating Data

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9.6 Exercises

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