Displaying 3 results from an estimated 3 matches for "productvariance".
2006 Apr 10
0
Inheriting data from one model to another
Hello
I''ve been struggling with something for hours that I thought would be
a simple job. Hopefully somebody can shed some light on what I''m
trying to do :o)
First of all I''ll explain what I''m trying to achieve. In a store
application I want to have products and product variations. A product
variation should inherit all of its properties from product unless
2010 Sep 09
2
Calculating with tolerances
Dear list,
I am from an engineering background, accustomed to work with tolerances.
For example, I have measured
Q = 0.15 +- 0.01 m^3/s
H = 10 +- 0.1 m
and now I want to calculate
P = 5 * Q * H
and get a value with a tolerance +-
What is the elegant way of doing this in R?
Thank you,
Jan
2006 Jul 28
15
Store/product stock design question
Hi all,
I''m having trouble figuring out how to handle stock levels in a new
store I''m building. When products are entered into the admin of the
store, they have a stock number associated with them.
What I''m not sure about, is how I go about maintaining this stock
level. Take this scenario:
1. User A adds an item to their cart, and I check that it''s in stock -