Top "Average" questions

In mathematics, an average is a measure of the "middle" or "typical" value of a data set.

Averaging dates in oracle sql

Is there a way to average multiple dates in oracle? avg doesn't do any good. Thanks.

sql oracle date average
Get average value from list of dictionary

I have lists of dictionary. Let's say it total = [{"date": "2014-03-01", "value": 200}, {"date": "2014-03-02", "value": 100}{"date": "2014-03-03", "…

python list dictionary average
Mysql AVG to ignore zero

I need to perform an avg on a column, but I know that most of the values in that column …

mysql null zero average
Pandas dataframe: Group by two columns and then average over another column

Assuming that I have a dataframe with the following values: df: col1 col2 value 1 2 3 1 2 1 2 3 1 I want to first groupby my …

python pandas group-by average
TSQL - Average of all values in a column that are not zero

I'm in the process of writing a report and am looking to get the average value of an age column. …

tsql average
Calculate average rating

Can any one tell me how to calculate rating average?

average rating
MySQL: Get average of time differences?

I have a table called Sessions with two datetime columns: start and end. For each day (YYYY-MM-DD) there can be …

mysql datetime average
I need to find the minimum and average age of students from the birth day

I have a table 'Students' which contains the 'DateOfBirth' of students. I need an SQL statement that I can use …

sql ms-access average date-of-birth
Exponential Moving Average Sampled at Varying Times

I have a continuous value for which I'd like to calculate an exponential moving average. Normally I'd just use the …

math signal-processing average digital-filter
Translate SQL to lambda LINQ with GroupBy and Average

I spend a few hours trying to translate simple SQL to lambda LINQ SELECT ID, AVG(Score) FROM myTable GROUP …

c# linq group-by average