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  2. Scott's rule - Wikipedia

    en.wikipedia.org/wiki/Scott's_Rule

    Scott's rule is widely employed in data analysis software including R, [2] Python [3] and Microsoft Excel where it is the default bin selection method. [ 4 ] For a set of n {\displaystyle n} observations x i {\displaystyle x_{i}} let f ^ ( x ) {\displaystyle {\hat {f}}(x)} be the histogram approximation of some function f ( x ) {\displaystyle f ...

  3. How to Create a Financial Projection in Excel - AOL

    www.aol.com/finance/create-financial-projection...

    Developing a financial projection in Excel from scratch can be time-consuming, and data entry or formula errors will lead to inaccurate results. Learn more by viewing Microsoft's tutorial on ...

  4. Data binning - Wikipedia

    en.wikipedia.org/wiki/Data_binning

    Data binning, also called data discrete binning or data bucketing, is a data pre-processing technique used to reduce the effects of minor observation errors. The original data values which fall into a given small interval, a bin , are replaced by a value representative of that interval, often a central value ( mean or median ).

  5. Histogram - Wikipedia

    en.wikipedia.org/wiki/Histogram

    The data used to construct a histogram are generated via a function m i that counts the number of observations that fall into each of the disjoint categories (known as bins). Thus, if we let n be the total number of observations and k be the total number of bins, the histogram data m i meet the following conditions:

  6. Bucket sort - Wikipedia

    en.wikipedia.org/wiki/Bucket_sort

    The function nextSort is a sorting function used to sort each bucket. Conventionally, insertion sort is used, but other algorithms could be used as well, such as selection sort or merge sort . Using bucketSort itself as nextSort produces a relative of radix sort ; in particular, the case n = 2 corresponds to quicksort (although potentially with ...

  7. Sturges's rule - Wikipedia

    en.wikipedia.org/wiki/Sturges's_rule

    This rule is widely employed in data analysis software including Python [2] and R, where it is the default bin selection method. [3] Sturges's rule comes from the binomial distribution which is used as a discrete approximation to the normal distribution. [4] If the function to be approximated is binomially distributed then

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  9. Algorithms for calculating variance - Wikipedia

    en.wikipedia.org/wiki/Algorithms_for_calculating...

    The first approach is to compute the statistical moments by separating the data into bins and then computing the moments from the geometry of the resulting histogram, which effectively becomes a one-pass algorithm for higher moments. One benefit is that the statistical moment calculations can be carried out to arbitrary accuracy such that the ...

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