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  2. Treemapping - Wikipedia

    en.wikipedia.org/wiki/Treemapping

    Archived from the original (PDF) on 24 July 2011. History of Treemaps by Ben Shneiderman. Hypermedia exploration with interactive dynamic maps Paper by Zizi and Beaudouin-Lafon introducing the squarified treemap layout algorithm (named "improved treemap layout" at the time). Indiana University description

  3. Mosaic plot - Wikipedia

    en.wikipedia.org/wiki/Mosaic_plot

    Mosaic plot showing cross-sectional distribution through time of different musical themes in the Guardian's list of "1000 songs to hear before you die".

  4. Business model canvas - Wikipedia

    en.wikipedia.org/wiki/Business_Model_Canvas

    The business model canvas is a strategic management template used for developing new business models and documenting existing ones. [2] [3] It offers a visual chart with elements describing a firm's or product's value proposition, [4] infrastructure, customers, and finances, [1] assisting businesses to align their activities by illustrating potential trade-offs.

  5. Hilbert R-tree - Wikipedia

    en.wikipedia.org/wiki/Hilbert_R-tree

    Thus, a non-leaf node in the Hilbert R-tree contains at most C n entries of the form (R, ptr, LHV) where C n is the capacity of a non-leaf node, R is the MBR that encloses all the children of that node, ptr is a pointer to the child node, and LHV is the largest Hilbert value among the data rectangles enclosed by R. Notice that since the non ...

  6. Tree (abstract data type) - Wikipedia

    en.wikipedia.org/wiki/Tree_(abstract_data_type)

    This unsorted tree has non-unique values (e.g., the value 2 existing in different nodes, not in a single node only) and is non-binary (only up to two children nodes per parent node in a binary tree). The root node at the top (with the value 2 here), has no parent as it is the highest in the tree hierarchy.

  7. Red–black tree - Wikipedia

    en.wikipedia.org/wiki/Red–black_tree

    In 2–3–4 trees, each node can contain between 1 and 3 values and have between 2 and 4 children. These 2–3–4 nodes correspond to black node – red children groups in red-black trees, as shown in figure 3. It is not a 1-to-1 correspondence, because 3-nodes have two equivalent representations: the red child may lie either to the left or ...

  8. Waterfall chart - Wikipedia

    en.wikipedia.org/wiki/Waterfall_chart

    An example of waterfall charts. Here, there are 3 total columns called Main Column1, Middle Column, and End Value. The accumulation of successive two intermediate columns from the first total column (Main Column1) as the initial value results in the 2nd total column (Middle Column), and the rest accumulation results in the last total column (End Value) as the final value.

  9. Iceland - Wikipedia

    en.wikipedia.org/wiki/Iceland

    Iceland [e] is a Nordic island country between the North Atlantic and Arctic Oceans, on the Mid-Atlantic Ridge between North America and Europe.It is culturally and politically linked with Europe and is the region's westernmost and most sparsely populated country. [12]