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Total variation (Phi-divergence)
Monday, November 30, 2009
better estimator...but why?
Instead of Monte Carlo integrating the Hellinger divergence directly, if I use the Phi-divergence form (modified to be symmetric), then both the convergence speed is faster and the power of the hypothesis test is faster...at least in the Poisson vs PTST case.
Old:
New:
Total variation (Phi-divergence)
Old:
New:
Total variation (Phi-divergence)
Tuesday, November 17, 2009
Synchrony detectors
My paper on a new point process model got rejected because of the estimation method I introduced was far from complete. I was wondering if I should try to decompose signals into precisely timed components and others. That would be more practical, and I can use the existing synchrony detection methods on multiple trials to detect those events. Hmmm
Tuesday, November 10, 2009
Incognito mode of Chrome
I love the incognito mode key combination of google chrome browser, "Ctrl-Shift-N".
It instantly forks a fresh browser process that does not share any cookies with my other browser windows. I use it whenever I see a suspicious link that someone sent or is 'tinyurl'ed. These can be dangerous because they can sometimes use the already logged in brower/tab's cookies to do stuff. For example, the viral twitter applications use this to send messages to people you follow, without you noticing (you just click a wrong button). I can't wait to see how Chrome will be advancing with plugins.
It instantly forks a fresh browser process that does not share any cookies with my other browser windows. I use it whenever I see a suspicious link that someone sent or is 'tinyurl'ed. These can be dangerous because they can sometimes use the already logged in brower/tab's cookies to do stuff. For example, the viral twitter applications use this to send messages to people you follow, without you noticing (you just click a wrong button). I can't wait to see how Chrome will be advancing with plugins.
Monday, November 02, 2009
Q: Integrative management of personal information
My data are not integrated nor very well organized. I use a somewhat distributed and categorized storage system, but I really wish I had something that can do the following. Does anybody know such a software system?
Requirements
1. backed up: nothing is more frustrating than loosing all your information at once
2. secure: I want to be able to dump all the sensitive information in my brain to somewhere
3. control I want to be the person who controls my information, not bound by some EULA that I won't read.
4. widely used data format: in case I want to migrate the data to some other format in the future
5. keyboard only navigation: I don't like moving my hand to the mouse too often
6. simple hierarchical organization + tags
7. fast text search
8. versioning
Requirements
1. backed up: nothing is more frustrating than loosing all your information at once
2. secure: I want to be able to dump all the sensitive information in my brain to somewhere
3. control I want to be the person who controls my information, not bound by some EULA that I won't read.
4. widely used data format: in case I want to migrate the data to some other format in the future
5. keyboard only navigation: I don't like moving my hand to the mouse too often
6. simple hierarchical organization + tags
7. fast text search
8. versioning
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