scatter plots - ranking data in - reductions in - reindex function - selecting in objects - sorting in - summary statistics in correlation and covariance - isin function - unique function - value_counts function - usa gov data from bit ly example with panel data structure - panels parse method parse_dates argument partial function partial indexing pass statements passing by reference pasting keyboard shortcut for magic command for patches path argument path variable pct_change method pdb debugger pdf files percentileofscore function perezfernando performance and time series data - of numpy - contiguous memory - cython project - period class periodindex index object periods - converting timestamps to creating periodindex from arrays defined frequency conversion for instead of timestamps - quarterly periods - resampling with - period_range function permutation pickle serialization pinv function pivoting data cross-tabulation - defined pivot method - pivot_table method - pivot_table aggregation type plot method plotting haiti earthquake crisis data example time series data - with matplotlib - annotating in - axis labels in - configuring - legends in saving to file styling for - subplots in - ticks in - title in - with pandas bar plots - density plots - histograms - line plots - scatter plots - png files pop method positional arguments power function pprint module pretty printing and displaying through pager defined private attributes private methods prod method profiles defined for ipython - profile_default directory profiling code in ipython - pseudocode index www it-ebooks info