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#### Module 3, Lesson about Vectors, Basic Functions, and Help ####
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# Lesson 6, part 1: Intro to dataframes (indexing and filtering)


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##### WHAT ARE DATAFRAMES
# You can think of dataframes as spreadsheets, or a series of
# vectors that are bound together in the same order. Different columns
# in a data frame can be of different variable types.





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##### INDEXING AND FILTERING DATAFRAMES
# As with vectors we can also index data frames but this time
# we have more than one dimension--we have both rows and columns:





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##### SUMMARY
# - what are data frames
# - indexing and filtering

