angel | Powerful Parameter Server for large-scale machine learning | Machine Learning library
kandi X-RAY | angel Summary
kandi X-RAY | angel Summary
Angel is a high-performance distributed machine learning and graph computing platform based on the philosophy of Parameter Server. It is tuned for performance with big data from Tencent and has a wide range of applicability and stability, demonstrating increasing advantage in handling higher dimension model. Angel is jointly developed by Tencent and Peking University, taking account of both high availability in industry and innovation in academia. With model-centered core design concept, Angel partitions parameters of complex models into multiple parameter-server nodes, and implements a variety of machine learning algorithms and graph algorithms using efficient model-updating interfaces and functions, as well as flexible consistency model for synchronization. Angel is developed with Java and Scala. It supports running on Yarn. With PS Service abstraction, it supports Spark on Angel. Graph computing and deep learning frameworks support is under development and will be released in the future. We welcome everyone interested in machine learning or graph computing to contribute code, create issues or pull requests. Please refer to Angel Contribution Guide for more detail.
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Top functions reviewed by kandi - BETA
- Generate input splits .
- Build the sum of the forest .
- Returns a String containing the startup shutdown message .
- Find a split .
- Applies the compaction component to the given vector .
- Create application submission context .
- MurmurHash3 32 - bit hashing .
- Builds a histogram of features .
- Generate default JVM parameters .
- Create key value part .
angel Key Features
angel Examples and Code Snippets
Community Discussions
Trending Discussions on angel
QUESTION
I have a dataframe (df) in R and I want to create a new column (city1_n) that contains a line stored in the list key whenever there is a partial match between city1 and key. Bellow I have created a little example that should help to visualize my problem.
...ANSWER
Answered 2022-Apr-14 at 13:23Use fuzzyjoin::fuzzyjoin
:
QUESTION
I have more than 10 million rows. Counting the number of rows is too slow. I want to estimate the number of rows.
Current query is like this:
...ANSWER
Answered 2022-Mar-27 at 23:41The performance of COUNT(*) is not the biggest performance problem in this case. The performance cannot be improved, because your search condition LIKE '%...%'
is bound to run a table-scan. It must examine every row in the table anyway, to check if it matches your condition.
Alternatives to make it quicker:
Match the pattern using fulltext indexing instead of
LIKE
predicates with wildcardsStore the count and keep it updated as you add or change data, as the comment above suggests (but you'd need a separate counter for each possible search pattern)
Get a more powerful computer
Store less data
QUESTION
I have a list of strings like so:
...ANSWER
Answered 2022-Mar-23 at 14:13NN\.([\w\/]+)\.
QUESTION
I made the following 25 network graphs (all of these graphs are copies for simplicity - in reality, they will all be different):
...ANSWER
Answered 2022-Mar-03 at 21:12While my solution isn't exactly what you describe under Option 2
, it is close. We use combineWidgets()
to create a grid with a single column and a row height where one graph covers most of the screen height. We squeeze in a link between each widget instance that scrolls the browser window down to show the following graph when clicked.
Let me know if this is working for you. It should be possible to automatically adjust the row size according to the browser window size. Currently, this depends on the browser window height being around 1000px.
I modified your code for the graph creation slightly and wrapped it in a function. This allows us to create 25 different-looking graphs easily. This way testing the resulting HTML file is more fun! What follows the function definition is the code to create a list
of HTML objects that we then feed into combineWidgets()
.
QUESTION
I made the following graph using the "visnetwork" library:
...ANSWER
Answered 2022-Mar-01 at 02:20The reason for the error is that there is no 8 and there are 2 12s.
QUESTION
I have the following network graph:
...ANSWER
Answered 2022-Feb-24 at 17:37I was not able to figure out how to do this with "visIgraph()" function - but I think I was able to figure out how to generate a random graph (meeting certain conditions: Generating Random Graphs According to Some Conditions) and using the regular "visNetwork()" function and then place a title on this graph:
QUESTION
I have the following graph:
...ANSWER
Answered 2022-Feb-25 at 11:37Not sure to fully understand what you are looking for but:
If you want the vertices to be placed randomly and not on a circle, you just need to use the argument
layout = "layout_randomly"
inside thevisIgraph()
function.If you want the vertices to be placed randomly and on a circle, you need to use the
permute()
function and then just add the argumentlayout = "layout_circle"
inside thevisIgraph()
function.
Please find below a reprex.
Reprex
- Your data
QUESTION
Over here (Directly Adding Titles and Labels to Visnetwork), I learned how to directly add titles to graphs made using the "visIgraph()" function:
...ANSWER
Answered 2022-Feb-25 at 10:55Please find below one possible solution.
Reprex
- Your data
QUESTION
I am having problems in create a report table with a data frame like this:
...ANSWER
Answered 2022-Feb-10 at 16:01I think if you look through the packages gt
and gtsummary
, you'll find what you're looking for. For example, this is close to the example you provided as your desired output.
QUESTION
My query is
...ANSWER
Answered 2022-Jan-20 at 05:38so with this pared down SQL and fake_data:
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