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However, if data is a DataFrame, then data['a'] returns all values in the column(s) named a. To avoid this ambiguity, Pandas supports the syntax data.loc['a'] as an alternative way to filter using the index. Pandas also supports the syntax data.iloc[n], which always takes an integer n and returns the nth value, counting from 0. This allows a ...
The external direct sum of a set of groups {H i} (written as Σ E {H i}) is the subset of Π{H i}, where, for each element g of Σ E {H i}, g i is the identity for all but a finite number of g i (equivalently, only a finite number of g i are not the identity). The group operation in the external direct sum is pointwise multiplication, as in the ...
The children originally described by Susan Swedo et al. (1998) [17] usually had an abrupt onset of symptoms, including motor or vocal tics, obsessions, or compulsions. [18] [19] In addition to an obsessive–compulsive or tic disorder diagnosis, children may have other symptoms associated with exacerbations such as emotional lability, enuresis, anxiety, and deterioration in handwriting. [19]
7] = + = + = + = + = (+) (+) + = = + = + ( + ()) ( ()) An infinite series of any rational function of can be reduced to a finite series of polygamma ...
The subset sum problem (SSP) is a decision problem in computer science. In its most general formulation, there is a multiset of integers and a target-sum , and the question is to decide whether any subset of the integers sum to precisely . [1] The problem is known to be NP-complete.
Maurizio Cattelan’s viral creation, titled “Comedian,” has proven a sound investment for one collector: One of the artwork’s three “editions” smashed estimates to sell for $6.24 ...
This means that the sum of two independent normally distributed random variables is normal, with its mean being the sum of the two means, and its variance being the sum of the two variances (i.e., the square of the standard deviation is the sum of the squares of the standard deviations). [1]
He said, “If you are working with a small sum of money … and are willing to do the work, ...