uxr | JavaScript utilities for selecting and modifying elements
kandi X-RAY | uxr Summary
kandi X-RAY | uxr Summary
A minimal in mind library for DOM related routines and element selections. UXR wraps some most used methods like CSS Classes, Event Management, Data Management, Attribute selections/updates. Supports chaining and plugins. UXR has the philosophy of fewer code and low file size. Because of this, widely supported ES6 codes are not transpiled to ES5 versions and not trying to cover all JavaScript methods which are normally written without much effort. UXR provides easy to wrappers for normally complex once.
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QUESTION
I have following query to start of with:
...ANSWER
Answered 2021-Jan-25 at 11:34In Standard SQL, you can use first_value()
:
QUESTION
My current understanding:
I have tried reading a few papers and links regarding NMF. It all talks about how we can split a MxN matrix into MxR and RxN matrices(R
Question:
I have a list of users(U) and some assignments(A) for each user. Now I split this matrix(UxA) using NMF. I get 2 Matrices UxR and RxA. How do I use these to predict what assignments(A') a new user(U') must have?
Any help would be appreciated as I couldn't understand this after trying to search for the answer.
Side question and opinion based:
Also if anyone can tell me with their experience, how do they chose R, specially when the number of assignments are in the order of 50,000 or perhaps a hundred thousand. I have been trying these with the scikit-learn library
Edit: This can simply be done using model.inverse_transform(model.transform(User'))
...ANSWER
Answered 2018-Mar-05 at 16:54You can try think this problem as recommender. you want to approximate decompose matrix X into two nonnegative matrix U and V.
For pyothn scikit-learn, you can use: http://scikit-learn.org/stable/modules/generated/sklearn.decomposition.NMF.html
QUESTION
MySQL here. I have the following users
table:
ANSWER
Answered 2018-Apr-06 at 01:34The INSERT ... VALUES
syntax inserts a single record. You need to use INSERT ... SELECT
syntax, like this:
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