aggregate
groupby mean and median
There is a dataframe:
df.head()
title birthday today age
0 Group 1 1997-07-24 2020-05-04 8320 days
1 ... , as well as mean and median without grouping:
df['age'].median()
Timedelta('10684 days 00:00:00')
Thank you in advance!
Aggregate boundaries in ddd
The actual question is to determine the boundaries of the aggregate.
Imagine that there is an entity called packaging, and ... way to act in such cases? Eric Evans wrote about bounded contexts, M. B. are these aggregates in different bounded contexts?