holst | Recommendations as a Service | Recommender System library
kandi X-RAY | holst Summary
kandi X-RAY | holst Summary
Holst is a (minimalist) Recommentations Engine as a Service, which uses collaborative filtering to compute the recommendations. Using a RESTful API, it allows users to create and manage their own sets of data (comprised of Users, Items, and Links), and to retrieve customized recommendations, based on that information. In a nutshell, a user can have one or multiple links with an item, which are subsequently used to generate item recommendations for a given user.
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Top functions reviewed by kandi - BETA
- Recommended returns a list of recommendations for a user
- handler returns an http . HandlerFunc middleware .
- userHandler handles requests to create a new user
- itemHandler handles requests to create a new item .
- linkHandler handles a link request .
- RecommendedHandler returns a list of recommendations for a user .
- Initialize the database
- load config file
- writeAPIError writes an API error response .
- NewDatabase creates a new database connection
holst Key Features
holst Examples and Code Snippets
Community Discussions
Trending Discussions on holst
QUESTION
I have a dataset with the name of Danish ministers and their position from 1990 to 2020 (data comes from dataset called WhoGovern; https://politicscentre.nuffield.ox.ac.uk/whogov-dataset/). The dataset consists of the ministers name, the ministers position, the prestige of that position, and the year in which the minister had that given position.
My problem is that some ministers are counted twice in the same year (i.e., the rows aren't unique in terms of name and year). See the example in the picture below, where "Bertel Haarder" was both Minister of Health and Minister of Interior Affairs in 2010 and 2021.
I want to create a dataset, where all the rows are unique combinations of name and year. However, I do not want to remove any information from the dataset. Instead, I want to use the information in the prestige column to combine the duplicated rows into one. The observations with the highest prestige should be the main observations, where the other information should be added in a new column, e.g., position2 and prestige2. In the example with Bertel Haarder the data should look like this:
(PS: Sorry for bad presenting of the tables, but didn't know how to create a nice looking table...)
Here's the dataset for creating a reproducible example with observations from 2010-2020:
...ANSWER
Answered 2021-Jun-08 at 14:04Reshape the data to wide format twice, once for position and the other for prestige_1, and join the two results.
QUESTION
I am using re to filter down a bunch of text to information I need. I am now able to print the two pieces of information I need from each line in the text with match.group().
match.group(1) is a number and match.group(4) is a string. For each line (iteration through the for loop) I need match.group(1) to be added to one column in a dataframe and match.group(4) to be added to another column.
Here is the code (the print statement at the bottom needs to be replaced with the code to add each element to the dataframe):
...ANSWER
Answered 2020-Sep-10 at 06:14If you want to add to a new DF then:
You first initiate a new DF outside the loop:
QUESTION
I am new to DRF, I have this serializer, but I am not able to create the post as it keeps showing me this in postman even after uploading an image to that field. In normal django, this PostImage model has a foreign key relation to Post and I use a formset to upload multiple images.
...ANSWER
Answered 2020-Jul-27 at 16:23I think you should write your own create method for your serializer. Something like this
models
QUESTION
I have been working on this, off and on, for a few days now. I have to read a MySQL table (described below) to determine which groups are in the table. The code column values can go from 01 to 99 and these values are divided into four code groups. I currently get the code groups this way:
...ANSWER
Answered 2020-May-03 at 02:30it should be working.
QUESTION
How can I create a column of data that increments gradually? EG. 1 1 1 2 2 2 3 3 3 etc
...ANSWER
Answered 2018-Aug-27 at 21:35The only way to do such Increment 1, 1, 1, 2, 2, 2, 3, 3, 3 is to create a SEQUENCE :
QUESTION
I have a situation where I want to split a long block of text into sentences. I have a working piece of code that splits the string as I would like, however it removes the delimiters (which I knew it would). Now, I want to be able to keep those delimiters as part of the output strings (reallocated appropriately).
My example is this:
...ANSWER
Answered 2017-Sep-14 at 19:43Instead of using regular expressions, you might want to have a look at nltk:
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
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Install holst
Install dependencies, and build the app: go get & go build.
Copy the sample config file config.json.sample into a new file config.json, under the same directory, and edit this file according to your system configuration
Run the app: ./holst
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