median

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Excel 2007 MedianIfs()

I want to calculate some statistics. In order to calculate the average of certain values of a column, I use AverageIfs().[详细]

2023-01-01 22:35 分类：问答
Parallel computation of the median of a large array

I got asked this question once and still haven\'t been able to figure it out: You have an array o开发者_运维技巧f N integers, where N is large, say, a billion. You want to calculate the median value[详细]

2023-01-01 16:27 分类：问答
Confused about definition of a 'median' when constructing a kd-Tree

Im trying to build a kd-tree for searching through a set of points, but am getting confused about the use of \'median\' in the wikipedia article. For ease of use, the wikipedia article states the pseu[详细]

2023-01-01 03:30 分类：问答
How can I calculate data for a boxplot (quartiles, median) in a Rails app on Heroku? (Heroku uses Postgresql)

I\'m trying to calculate the data needed to generate a box plot which means I need to figure out the 1st and 3rd Quartiles along with the median.I have found some solutions for doing it in Postgresql[详细]

2022-12-27 20:59 分类：问答
How do I find the median of numbers in linear time using heaps?

Wikipedia says: Selection algorithms开发者_运维百科: Finding the min, max, both the min and max, median, or[详细]

2022-12-26 06:29 分类：问答
algorithm for nth_element

I have recently found out that there exists a method called nth_element in the STL. To quote the description:[详细]

2022-12-21 22:50 分类：问答
What is the right approach when using STL container for median calculation?

Let\'s say I need to retrieve the median from a sequence of 1000000 random numeric values. If using anything but std::list, I have no (built-in) way to sort sequence for median calculation.[详细]

2022-12-11 00:11 分类：问答
How to find k nearest neighbors to the median of n distinct numbers in O(n) time?

I can use the median of medians selection algorithm to find the median in O(n). Also, I know that after the algorithm is done, all the elements to the left of the median are less that the median and a[详细]

2022-12-08 22:03 分类：问答
Median of grouped data

I have a dataset containing the number of infants born per gestational week开发者_Go百科. I am trying to determine the median gestational age of delivery based on the frequency of infants born for thi[详细]

2022-12-07 20:56 分类：问答