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[4]: 114 A DataFrame is a 2-dimensional data structure of rows and columns, similar to a spreadsheet, and analogous to a Python dictionary mapping column names (keys) to Series (values), with each Series sharing an index. [4]: 115 DataFrames can be concatenated together or "merged" on columns or indices in a manner similar to joins in SQL.
The terms data dictionary and data repository indicate a more general software utility than a catalogue. A catalogue is closely coupled with the DBMS software. It provides the information stored in it to the user and the DBA, but it is mainly accessed by the various software modules of the DBMS itself, such as DDL and DML compilers, the query optimiser, the transaction processor, report ...
The main problem with multi-field dictionaries is that they tend to cover one or two subjects extensively, whereas the vast majority of subject are only represented by a limited number of terms. Secondly, the typical multi-field dictionary tends to be a minimizing dictionary, i.e. it covers only a limited number of terms within the subjects ...
A score of three points made by place- or drop-kicking the ball through the opponent's goal other than via a kickoff or free kick following a safety; formerly, "goal from the field". A missed field goal can be returned as a punt, if recovered in-bounds by the defending team. In some leagues, four-point field goals can be scored under special ...
Another theory is that the corn refers to the practice in the very early days of baseball of calling the outfield the "corn field", especially in early amateur baseball where the outfield may have been a farm field. Frequently used by Red Barber, a variation, 'A #8 CAN OF GOLDEN BANTAM' was favored by Bob Prince, Pittsburgh Pirates' announcer.
A two-point field goal scored at the basket A shot from beyond the three-point line for a three-point field goal. In basketball, a field goal is a basket scored on any shot or tap other than a free throw, worth two or three points depending on the location of the attempt on the basket.
Dynamic Markov compression (DMC) is a lossless data compression algorithm developed by Gordon Cormack and Nigel Horspool. [1] It uses predictive arithmetic coding similar to prediction by partial matching (PPM), except that the input is predicted one bit at a time (rather than one byte at a time).
1. A play in which a shooter is fouled while making a standard two-point field goal and then makes the resulting free throw, such that a total of three points is scored. See also and one. 2. (rarely) A play in which a shooter is fouled while taking but missing a three-point field goal and then makes all three resulting free throws. three-pointer