[Topic-models] HLDA NCRP branching off
ccrraappy at gmail.com
Wed Mar 24 00:54:27 EDT 2010
Yes, thank you very much for answering my question. Although you did
misread my question initially, I kind of got the answer from your
I have another question here. Does all documents have paths of the
same length, where path is the number of nodes between root and leaf
On Mon, Mar 22, 2010 at 1:46 AM, David Blei <david.blei at gmail.com> wrote:
> hi jake and all
> jon pointed out that i misread your email. (thanks jon!) by "second
> down" i meant "off the root and on down." it's not as though the root
> has only one child. it can have many children. i hope this is clear.
> On Sun, Mar 21, 2010 at 9:23 AM, David Blei <david.blei at gmail.com> wrote:
>> hi jake
>> our goal was to infer a single tree that describes the collection.
>> that is why the root node is fixed. an alternative model, and one
>> that is totally reasonable, is one where there are multiple root
>> On Sat, Mar 20, 2010 at 12:49 AM, Jake Sully <ccrraappy at gmail.com> wrote:
>>> Hi List,
>>> I have some questions regarding the branching of NCRP with reference
>>> to this earlier post by David Blei,
>>> what are the possible paths that can be drawn? first, there is one
>>> for each existing leaf in the tree. then, there is a new one for
>>> each level---a new branch can be spawned at any level from the second
>>> down. in total, this is the number of nodes in the currently
>>> populated tree. for a particular path c, when one of the levels is a
>>> new restaurant, the quantity (C) above is 0.
>>> I want to ask regarding this sentence "a new branch can be spawned at
>>> any level from the second down"
>>> May I know why is it second down and not first down?
>>> That means we can start spawning new nodes off the root node.
>>> Topic-models mailing list
>>> Topic-models at lists.cs.princeton.edu
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