sd_update: Incremental Standard deviation calculation
In henfiber/later: A Periodic Batch Processing Framework
Description
Usage
Arguments
Value
Description
Online algorithm for updating a given std when a new value is added
http://stats.stackexchange.com/questions/24878/computation-of-new-standard-deviation-using-old-standard-deviation-after-change
Algorithms for calculating variance : http://en.wikipedia.org/wiki/Algorithms_for_calculating_variance
TODO: check for numerical stability
Usage
1
Arguments
stdev
The current standard deviation
avg
The current average value
cnt
The number of elements before the new value
val
The new value
na.rm
Whether to remove NA values
Value
The new standard deviation
henfiber/later documentation built on May 20, 2019, 6:46 p.m.
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
Description Usage Arguments Value
Description
Online algorithm for updating a given std when a new value is added http://stats.stackexchange.com/questions/24878/computation-of-new-standard-deviation-using-old-standard-deviation-after-change Algorithms for calculating variance : http://en.wikipedia.org/wiki/Algorithms_for_calculating_variance TODO: check for numerical stability
Usage
1 |
Arguments
stdev |
The current standard deviation |
avg |
The current average value |
cnt |
The number of elements before the new value |
val |
The new value |
na.rm |
Whether to remove NA values |
Value
The new standard deviation
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
Embedding an R snippet on your website
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.