Top "Average" questions

Pyspark:How to calculate avg and count in a single groupBy?

I would like to calculate avg and count in a single group by statement in Pyspark. How can I do …

group-by count pyspark average

How to efficiently compute average on the fly (moving average)?

I come up with this n=1; curAvg = 0; loop{ curAvg = curAvg + (newNum - curAvg)/n; n++; } I think highlights of this …

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Matlab, remove elements from array which are less than average?

Hi I have a problem writing this with Matlab. So Situation : array contains (100, 90, 80, 4, 2, 200) for example. I want to calculate the …

matlab average

Compute monthly averages from daily data

I have this dataframe "df1" as example which is actually part of a much larger one (15 years): X1 X2 3798 2009-12…

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Find average of collection of TimeSpans

I have collection of TimeSpans, they represent time spent doing a task. Now I would like to find the average …

c# average timespan

AVG in Sql - Float number problem

SELECT AVG(variable) AS Expr1, SUM(variable) AS Expr2 FROM ...... result for AVG is 2, but it is not true, it …

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Select average from MySQL table with LIMIT

I am trying to get the average of the lowest 5 priced items, grouped by the username attached to them. However, …

sql mysql average

Average time for datetime list

Looking for fastest solution of time averaging problem. I've got a list of datetime objects. Need to find average value …

python datetime pandas average

Symfony/Doctrine: SUM and AVG score of players

I have in my database the tab: PLAYERS and a tab: SCORES. In tab SCORES i have these rows: ID …

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Weighted average using numpy.average

I have an array: In [37]: bias_2e13 # our array Out[37]: [1.7277990734072355, 1.9718263893212737, 2.469657573252167, 2.869022991373125, 3.314720313010104, 4.232269039271717] The error on each value in the array is: In [38]: …

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