The real-time tag has no wiki summary.
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0answers
44 views
Online Linear Regression with updates on past information
Suppose we have the following algorithm
An online linear regression algorithm implemented using gradient descent. The step rate $\alpha$ is calculated using something that correlates to the squared ...
3
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4answers
212 views
Simple way to algorithmically identify a spike in recorded errors
We need an early warning system. I am dealing with a server that is known to have performance issues under load. Errors are recorded in a database along with a timestamp. There are some manual ...
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0answers
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Algorithms and libraries to do fast character recognition
I just found out about Pleco the other day
and was wondering how they achieve this type of accuracy:
http://www.youtube.com/watch?v=x7VTo0656Rc
I have a strong background in machine learning, yet ...
2
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1answer
149 views
Realtime data change detection
I have been asked to do some real time data analysis. The data values represent parameters of phone calls for a telco (like number of calls, call length, etc.) If the numbers suddenly drop or spike, ...
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5answers
1k views
Efficient online linear regression
I'm analysing some data where I would like to perform ordinary linear regression, however this is not possible as I am dealing with an on-line setting with a continuous stream of input data (which ...
3
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2answers
368 views
Graphing real-time data from a text file
I have a process which writes statistics from a server system to a file each second in this format:
label1 label2 label3
344 666 787
344 849 344
939 994 344
...
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4answers
2k views
Period detection of a generic time series
This post is the continuation of another post related to a generic method for outlier detection in time series.
Basically, at this point I'm interested in a robust way to discover the ...
22
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11answers
5k views
Simple algorithm for online outlier detection of a generic time series
I am working with a large amount of time series. These time series are basically network measurements coming every 10 minutes, and some of them are periodic (i.e. the bandwidth), while some other ...
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6answers
585 views
Modeling of real-time streaming data?
I am interested in tools/techniques that can be used for analysis of streaming data in "real-time"*, where latency is an issue. The most common example of this is probably price data from a financial ...
