Neat Analytics with Pandas 4 3 [PyParis]
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The document provides an overview of indexing in pandas, focusing on various index types such as MultiIndex and DateTimeIndex, and their specific features including data access and resampling techniques. It details the structure and functionality of different index types and discusses how to handle data with various temporal frequencies. Additionally, the document contains promotional information about an upcoming event featuring interactive sessions on data analytics.
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Neat Analytics with Pandas 4 3 [PyParis]
- 1. Neat Analytics with Pandas A Closer Look at Pandas Indexing Alexander C. S. Hendorf @hendorf
- 2. Alexander C. S. Hendorf Königsweg GmbH Strategic data consulting for startups and the industry. EuroPython & PyConDE Organisator + Programm Chair mongoDB master, PSF managing member Speaker mongoDB days, EuroPython, PyData… @hendorf
- 3. Today Closer Look at Indexes - Catch up on Pandas indexing - Accessing data using the index - Index Types - MultiIndex - Closer look at DateTimeIndex and Resampling
- 9. Structure: Index -the label of a series is usually called index -automatically created if not given -can be reset or replaced -immutable ndarray implementing an ordered, sliceable set -can only contain hashable objects -one or more dimensions -may contain a value more than once (NOT UNIQUE!)
- 18. no match: NaN only if index matches
- 23. MultiIndex
- 28. max value of each series (not row) get level 0 data get level 1 data get level 2 data • • • •
- 29. DateTimeIndex -index of datetime64 data
- 41. Resampling
- 45. Resampling -H hourly frequency -T minutely frequency -S secondly frequency -L milliseonds -U microseconds -N nanoseconds -D calendar day frequency -W weekly frequency -M month end frequency -Q quarter end frequency -A year end frequency - B business day frequency - C custom business day frequency (experimenta - BM business month end frequency - CBM custom business month end frequency - MS month start frequency - BMS business month start frequency - CBMS custom business month start frequency - BQ business quarter endfrequency - QS quarter start frequency - BQS business quarter start frequency - BA business year end frequency - AS year start frequency - BAS business year start frequency - BH business hour frequency
- 46. Extra discounts for students & post docs #16 180+sessions 18free trainings panels open spaces 5dtalks & trainings 2dsprints beginners’ day Tickets start @ 375€ Rimini . Venice ! Bologna ! ✈ . Florence ! . # $ Rome ! . Armin Rohnacher • Katharine Jarmul • Tracy Osborn Jan Willem Tulp • Aisha Bello & Daniele Procida interactive sessions
- 47. 25. - 27. October ZKM, Karlsruhe CfP is open!
- 48. Alexander C. S. Hendorf [email protected] @hendorf