"ariel at lucidel dot c o m"
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Data Intelligence, Business Analytics
Ariel Assaf's Groups
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Web Analytics
452 members
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Python Analytics
32 members
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American Chapter
399 members
Ariel Assaf's Page
Latest Activity
Ariel Assaf replied to Tom Wolfer's discussion Seeking 60 months of website traffic data in the group Web Analytics
Tom Wolfer left a comment for Ariel Assaf
"Hi Ariel,
You must accept my friend request before I can e-mail you with more details about my web analytics forecasting project that requires 60 months of data.
Thanks,
Tom"
Ariel Assaf replied to Tom Wolfer's discussion Seeking 60 months of website traffic data in the group Web Analytics
"Hi,
I have several such sets. Reach out to me offline, i am curious.
Ariel"
Ariel Assaf replied to Ariel Assaf's discussion Which python libraries are you using? in the group Python Analytics
"Michael,
The OLS turned out not to be the bottleneck. It ran in well under a second. It was a DB access issue afterall.
I am unaware of the issue you bring up, but if i do learn more about OLS i will let you know. I am using it…"
Michael Watson replied to Ariel Assaf's discussion Which python libraries are you using? in the group Python Analytics
"Ariel,
In my experience, if I am using python to deal with a lot of numerical data that is constantly being called and iterated through, numpy is the way to go.
Because I have never used ols.ols() in in the scipy module, I…"
Bjarni Kristjansson replied to Ariel Assaf's discussion Which python libraries are you using? in the group Python Analytics
"I just looked at the source code for OLS, and it seems also maybe possible that its just the OLS implementation itself that is causing the performance issues. There are lot of calculations in there even though the code is relatively short.…"
Bjarni Kristjansson replied to Ariel Assaf's discussion Which python libraries are you using? in the group Python Analytics
"You can find more general information about Numpy and Scipy here:
http://new.scipy.org/getting-started.htmlAre you able to isolate the part of the code that is causing the performance problems.
For example, are there lot of nested…"
Ariel Assaf replied to Ariel Assaf's discussion Which python libraries are you using? in the group Python Analytics
"Hi,
Thanks for the response. Thew application does several thousand 2 sided t-tests (which i have coded the math for directly in python), and several thousand OLS (http://www.scipy.org/Cookbook/OLS) tests daily. These look for significant…"
Bjarni Kristjansson replied to Ariel Assaf's discussion Which python libraries are you using? in the group Python Analytics
"Difficult to say without knowing more about what you application code is actually doing.
Are you using Numpy arrays to store the data? Numpy is written in C, and can give you much better performance than if you are using standard Python…"
Ariel Assaf added a discussion to the group Python Analytics
Which python libraries are you using?
Hi Everybody. I wonder what libraries you are using. I have built an application using scipy and the OLS cookbook and am finding it extraordiarily slow... Any suggestions would be greatly appreciated. ASee More
Ariel Assaf replied to Vincent Granville's discussion Statistical Libraries
"Has anyone used these extensively? Would you recommend it?
"
Profile Information
- Field of Expertise:
- Web Analytics, Other
- Professional Status:
- Executive Management
- Interests:
- Networking, New Venture
Comment Wall (1 comment)
- At 3:32pm on July 26, 2012,
Tom Wolfer said… Hi Ariel,
You must accept my friend request before I can e-mail you with more details about my web analytics forecasting project that requires 60 months of data.
Thanks,
Tom
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