less function less_equal function level keyword levels defined grouping on sorting - summary statistics by lexicographical sort defined lexsort method libraries - ipython matplotlib numpy pandas - scipy limit argument linalg function line plots - linear algebra - linear regression - - lineterminator option line_profiler extension linuxsetting up on - list comprehensions - nested list comprehensions - list function lists - adding elements to - binary search of combining insertion into sorted list comprehensions - removing elements from - slicing - sorting - ljust method load function load method loads function local scope localizing time series data - loffset argument log function log function log function logging command history in ipython - logical_and function logical_not function logical_or function logical_xor function logy argument long format long type longer files overcoming fear of - lower method lstrip method lstsq function lxml library - mad method magic methods - main function mainpulating structured arrays many-to-many merge many-to-one merge map method - margins markers match method - matplotlib - annotating in - axis labels in - configuring - integrating with ipython - legends in saving to file styling for - subplots in - ticks in - title in - matplotlibrc file matrix operations in numpy - max method maximum function mayavi mean method median method memmap object memorylayout of arrays in - memory-mapped files defined saving arrays to file - mergesort sorting method merging data - index www it-ebooks info