Loss reduction: when to use sum and when mean?
105543
Mean or sum of gradients for weight updates in SGD
27001
How to calculate the following sum:
110961
Tail sum for expectation
56945
What does the math notation $\sum$ mean?
113125
Arithmetic-geometric Mean
13750
Position the limits of Sum
5883
What does it mean to use a normalizing factor to "sum to unity"?
94945
Sum and product of Martingale processes
46302
Why does minimizing the MAE lead to forecasting the median and not the mean?
99864
Using a regression model to make prediction: When to stop?
151940
Cancellation law for direct sums
90215
Proof/Derivation of Residual Sum of Squares (Based on Introduction to Statistical Learning)
111321
When should we discretize/bin continuous independent variables/features and when should not?
96895
Mathematical notation for a conditional sum
76191
\atop vs. \substack for multiple lines under a sum
125592
How to use "when" vs. "while" on the following occasions?
17375
When is the limit of a sum equal to the sum of limits?