lkpy | Python recommendation toolkit | Recommender System library
kandi X-RAY | lkpy Summary
kandi X-RAY | lkpy Summary
Python recommendation toolkit
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Top functions reviewed by kandi - BETA
- Predict ratings for a given user
- Calculate the sum of the predicted scores
- Count the number of reachable targets that are reachable
- Predict the weighted average weighted average score
- Sample rows from data
- Disjoint dataset
- Raise an error if the index is not unique
- Generate TTP pair
- Prepare data for training
- Predict given pairs
- Recommend scores for a given user
- Predict for given items
- Predicts the score for a given user
- Returns the candidates for a given user
- Perform the measure analysis
- Predict scores for a given user
- Save a model into shared memory
- Check the runtime environment
- Predict similarity for a given user
- Mean absolute error
- Compute the distance between two CSR
- Determine the DCG
- Compute the covariance of the covariance matrix
- Compute the linear gradient of the sparse matrix
- Root mean squared error
- Compute the implicit LU decomposition for the given matrices
lkpy Key Features
lkpy Examples and Code Snippets
Community Discussions
Trending Discussions on lkpy
QUESTION
I have a matching algorithm that I need to build on a large dataset in a SQL Server 2008 database. This is a minimal example of the kind of thing I need.
Say I have table1 and table2 each with just four columns, unique_id, col1, col2 and col3.
...ANSWER
Answered 2019-Oct-23 at 22:02You can get the results you want by JOINing the tables on matching values on each column while also allowing for NULL
values to act as a match, and then counting the number of actual matches and requiring that to be at least 2:
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
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No vulnerabilities reported
Install lkpy
You can use lkpy like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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