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Any vertex that is not on a directed cycle forms a strongly connected component all by itself: for example, a vertex whose in-degree or out-degree is 0, or any vertex of an acyclic graph. The basic idea of the algorithm is this: a depth-first search (DFS) begins from an arbitrary start node (and subsequent depth-first searches are conducted on ...
A depth-first search (DFS) is an algorithm for traversing a finite graph. DFS visits the child vertices before visiting the sibling vertices; that is, it traverses the depth of any particular path before exploring its breadth. A stack (often the program's call stack via recursion) is generally used when implementing the algorithm.
Detrended correspondence analysis (DCA) is a multivariate statistical technique widely used by ecologists to find the main factors or gradients in large, species-rich but usually sparse data matrices that typify ecological community data.
Depth-first search (DFS) is an algorithm for traversing or searching tree or graph data structures. The algorithm starts at the root node (selecting some arbitrary node as the root node in the case of a graph) and explores as far as possible along each branch before backtracking.
Pandas' syntax for mapping index values to relevant data is the same syntax Python uses to map dictionary keys to values. For example, if s is a Series, s['a'] will return the data point at index a. Unlike dictionary keys, index values are not guaranteed to be unique.
Investment tactics often require big buy-ins and high fees. New tech is lowering the price of entry in fields like direct indexing and private markets. This article is part of "Transforming ...
DFS—Depth-First Search; DFS—Distributed File System; DGD—Dworkin's Game Driver; DHCP—Dynamic Host Configuration Protocol; DHTML—Dynamic Hypertext Markup Language; DIF—Data Integrity Field; DIMM—Dual Inline Memory Module; DIN—Deutsches Institut für Normung; DIP—Dual In-line Package; DISM—Deployment Image and Service ...
“I put my sunglasses on. Jay Maisel was taking pictures. He said, ‘Take your sunglasses off. Take your sunglasses off.’ I said, ‘No, I'm tired. I don't want my picture taken,' " Tiegs recalls.