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Pandas is built around data structures called Series and DataFrames. Data for these collections can be imported from various file formats such as comma-separated values, JSON, Parquet, SQL database tables or queries, and Microsoft Excel. [8] A Series is a 1-dimensional data structure built on top of NumPy's array.
Standard Time (SDT) and Daylight Saving Time (DST) offsets from UTC in hours and minutes. For zones in which Daylight Saving is not observed, the DST offset shown in this table is a simple duplication of the SDT offset.
This is the list of Schedule I controlled substances in the United States as defined by the Controlled Substances Act. [1] The following findings are required for substances to be placed in this schedule: [ 2 ]
This is a list of species of plants and animals protected by Appendix I of the Convention on International Trade in Endangered Species of Wild Fauna and Flora, commonly abbreviated as CITES. There are no fungi listed in any appendix. [1] List of species protected by CITES Appendix II; List of species protected by CITES Appendix III
With a few exceptions, only annually produced quantities above 100 kg of List 2 substances from Part A or 1000 kg of a precursor from Part B must be reported to the OPCW by the Contracting States. A limit of 1 kg applies to the substance BZ in List 2. For substances in List 3, a threshold value of 30 tonnes applies. [3]
This is a list of fictional sports teams, athletic groups that have been identified by name in works of fiction but do not really exist as such.Teams have been organized by the sport they participate in, followed by the media product they appear in. Specific television episodes are noted when available.
A pivot table is a table of values which are aggregations of groups of individual values from a more extensive table (such as from a database, spreadsheet, or business intelligence program) within one or more discrete categories. The aggregations or summaries of the groups of the individual terms might include sums, averages, counts, or other ...
Tukey defined data analysis in 1961 as: "Procedures for analyzing data, techniques for interpreting the results of such procedures, ways of planning the gathering of data to make its analysis easier, more precise or more accurate, and all the machinery and results of (mathematical) statistics which apply to analyzing data."