TY - BOOK AU - Petrou, Theodore. TI - Pandas cookbook : : recipes for scientific computing time series analysis and data visualization using python SN - 9781784393878 U1 - 005.768 1 PY - 2017/// CY - Mumbai PB - Packt Publishing Ltd , KW - Essential dataframe operations KW - Selecting subsets of data KW - Boolean indexing ER -