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Questions - average

Averaging of every five elements and discarding the sixth element

So i have a Numpy array and i want to average every five elements and discard the sixth element, then average out the next five elements and discard the twelfth element and so on. I have tried using t...
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Ahraar Shareef Muqsit -

python

python-3.x

numpy

average

Votes: 0

Answers: 1

Latest Answer

IIUC, you can first compute a mask to remove every 6th item. Then reshape to have 5 elements in one dimension, compute the mean, and reshape again: mask = np.arange(a.shape[1])%6 != 5 a[:, mask].resh...
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mozway

How to average values in JSON after grouping within a group in javascript

I have a json file with the following data which I would like to group by Year , Theme and then average values on each theme. Can someone help me with this? I have grouped by date and then theme but s...
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Subadhra Thangavelu

javascript

json

multidimensional-array

average

Votes: 0

Answers: 1

Latest Answer

I would slightly change your reducing function to make it easier to compute averages: let groupedDataQ1 = dataQ1.reduce((accumulator, item) => { let {QDate, Theme} = item; accumulator[Theme...
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albjerto

Sum with nulls "not working" in SQL Server / Azure

I'm trying to average a set of columns and exclude rows with zero from the denominator by using a case statement within an AVG() function. I read that avg() excludes NULL results so am using the case ...
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onajourney

sql

sql-server

azure

null

average

Votes: 0

Answers: 1

Latest Answer

Instead of setting the 0 values to null, you can filter them out somewhere in between: with a as ( select cast(0 as float) t1, cast(3 as float) t2 ) , b as ( select cast(6 as float) t1, cast(0 as flo...
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Aleix CC

MySQL - a list of the students with their average grade in a specific year in a descending way

I am new to Mysql and I am trying to find the answer to a request but I am having difficulty finding the correct sequence: I created the tables below, then I inserted values into the two tables. CREAT...
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Lucica Savin

php

mysql

sql

average

no-data

Votes: 0

Answers: 1

Latest Answer

You're missing two things here, first you should specify where is the link between the student table and the register table. For this, we use the JOIN statement in the request below. The second thing ...
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Xiidref

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