O
- object introspection, Introspection–Introspection
- object model, Everything is an object–Everything is an object
- object type, Data Types for ndarrays
- objectify function, XML and HTML: Web Scraping, Parsing XML with lxml.objectify
- objs argument, Concatenating Along an Axis
- offsets for time series data, Shifting dates with offsets–Shifting dates with offsets
- OHLC (Open-High-Low-Close) resampling, Open-High-Low-Close (OHLC) resampling–Open-High-Low-Close (OHLC) resampling
- ols function, Rolling Correlation and Linear Regression
- Olson database, Time Zone Handling
- on argument, Database-style DataFrame Merges
- ones function, Creating ndarrays
- open function, Files and the operating system
- Open-High-Low-Close (OHLC) resampling, Open-High-Low-Close (OHLC) resampling–Open-High-Low-Close (OHLC) resampling
- operators in Python, Binary operators and comparisons–Binary operators and comparisons
- or keyword, if, elif, and else
- order method, Indirect Sorts: argsort and lexsort
- OS X, setting up Python on, Apple OS X–Apple OS X
- outer method, ufunc Instance Methods, ufunc Instance Methods, ufunc Instance Methods
- outliers, filtering, Detecting and Filtering Outliers–Detecting and Filtering Outliers
- output variables, Input and Output Variables–Input and Output Variables
Get Python for Data Analysis now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.