Posts tagged with Python
Beautiful dashboards in Python with first-class real-time integration
A Preview of deephaven.ui
May 6 2024 • 8 min read
Introducing Deephaven's new calendar API
Enhanced calendar functions boost performance
April 5 2024 • 3 min read
Perform fully customizable rolling aggregations
Deephaven's new Rolling Formula operations
March 12 2024 • 4 min read
Rapid grouping and ungrouping
Efficiently working with billions of rows
February 12 2024 • 13 min read
Technical analysis without external libraries
Calculating indicators and oscillators
November 22 2023 • 4 min read
Technical analysis made easy
Bollinger Bands with two table operations
October 26 2023 • 6 min read
Creating ticking tables with pure Python functions
Real-time table creation with function-generated tables
October 6 2023 • 7 min read
Easily create interactive apps
Deephaven apps via bidirectional plugins
September 29 2023 • 3 min read
Take advantange of Pandas 2.0 support
Built-in, highly efficient PyArrow
September 27 2023 • 2 min read
Ultra fast joins with multi-join
Joining multitudes of tables seamlessly and quickly
September 25 2023 • 6 min read
Deephaven's modernized time library -- Part 2
Workflows for native Python date-times
September 13 2023 • 3 min read
Deephaven and asyncio for live crypto monitoring
Create streaming tables to capture Coinbase data
September 1 2023 • 6 min read
Real-time semantic search
Deephaven + Weaviate
August 4 2023 • 6 min read
A simple (but not obvious) way to improve query performance
Avoid unnecessary recalculations in query strings
June 30 2023 • 3 min read
Real-time windowed and cumulative calculations made easy
Performance and efficiency with expressive syntax
June 22 2023 • 5 min read
Lightning fast Python queries
Overcome Python's limitations with built-in query language methods
May 5 2023 • 8 min read
From database to table
Execute SQL queries in Deephaven
March 17 2023 • 3 min read
Leverage GitHub's awesome REST API
Managing user-submitted GitHub issues with Deephaven
March 3 2023 • 5 min read
Database connectivity comes to Deephaven
Leverage ADBC and ODBC for fast data extraction
February 17 2023 • 3 min read
Rollup tables for real-time data processing
Combining aggregations with hierarchy
February 10 2023 • 3 min read
Deephaven tables now support Python type hints
New, simpler query strings
December 14 2022 • 3 min read
24 powerful Deephaven tools for data analysis
Tricks for tables every data scientist should know
November 25 2022 • 9 min read
Sharing predicted crypto prices with URIs
Deephaven's URI package makes sharing tables easy
October 31 2022 • 3 min read
Publish data like you never have before
URIs make sharing easy
October 25 2022 • 5 min read
Better, faster EMAs
Brought to you by Deephaven's update_by
October 17 2022 • 2 min read
Use a scatter plot overlay to create real-time chart markers
See your buys, sells, and predictions in real time
October 14 2022 • 2 min read
Fully automated trading with Deephaven and Interactive Brokers
Use Deephaven and IB to build your own fully automated market maker.
October 12 2022 • 7 min read
Real-time crypto price predictions with Deephaven and AI
Using the Coinbase API to perform real-time price predictions
October 11 2022 • 7 min read
Major League Baseball, Real-time Data, and At-Bats
Beat-the-Streak with open and real-time engagement
October 7 2022 • 2 min read
Testing machine learning models on simulated real-time data feeds
Leveraging Deephaven's TableReplayer to ensure model efficacy in real time
October 4 2022 • 5 min read
Nvidia RAPIDS for crypto price prediction
A GPU-centric platform for machine learning
September 23 2022 • 4 min read
Crypto price predictions with TensorFlow
An AI model built for static analysis applied to real-time data
September 16 2022 • 4 min read
Python variables now automagically work in Deephaven queries!
Use Python variables in Deephaven query strings. No special coding required.
September 15 2022 • 3 min read
Get the most up-to-date crypto data
Using Apache Airflow to transform up-to-date crypto data
September 7 2022 • 4 min read
Find trends in noisy data
Intern day 5: Decile plot analysis
August 18 2022 • 4 min read
Real-time algorithmic trading with Deephaven & IB
Recent deephaven-ib improvements ... including crypto and pip support!
August 16 2022 • 1 min read
Easy TensorFlow predictions using GPUs
Classifications using local GPU power with deephaven.learn
August 11 2022 • 5 min read
My favorite pandas DataFrame viewer
Eyeballs help when cleaning data
August 3 2022 • 12 min read
Easily analyze real-time financial data like a pro
Intern day 4: Real-time data
August 1 2022 • 5 min read
Keep it simple: WebSockets and real-time queries
Connecting to Coinbase with Deephaven
August 1 2022 • 4 min read
Deephaven: No Docker Required!
Pip install Deephaven and run scripts from the command line
July 26 2022 • 3 min read
How smart data analysis can help you save on real estate costs
Analysis of the real estate data
July 19 2022 • 5 min read
Analyzing live, streaming computer vision data
Avengers Facial Recognition, the Sequel: data visualization
July 15 2022 • 4 min read
Towards real-time epileptic seizures forecasts
Patient-specific seizure prediction with Deephaven
July 8 2022 • 11 min read
Who's who?: real-time face recognition
How to import an image stream into the Deephaven IDE
July 6 2022 • 8 min read
Uncovering the truth about Bitcoin stock holders
Intern day 3: putting my learning together
July 5 2022 • 8 min read
Analyzing MLB hits 101: a quant rookie at data science Spring Training
Episode 3: MLB Beat the Streak predictions with Deephaven
July 2 2022 • 5 min read
Predicting MSTR Stock Price using Bitcoin - a Simple Model
Intern day 2: Linear Regression
June 29 2022 • 5 min read
Plot crypto prices in real time
Deephaven's plugin enables Matplotlib to work with real-time data
June 24 2022 • 6 min read
Create your own historical crypto database from scratch
Leverage the CryptoWatch REST API with Deephaven and Parquet
June 23 2022 • 4 min read
Can a Village Beat DiMaggio’s Streak?
Episode 2: MLB Beat the Streak and Deephaven
June 23 2022 • 6 min read
The setup: using Deephaven to Beat the Streak
Up your game by predicting the best MLB player of the day
June 21 2022 • 7 min read
Calculate cumulative portfolio returns in real time
Using Deephaven for real-time and static portfolio analysis
June 15 2022 • 5 min read
Use URLs to easily access & import publicly available data
Getting data from Yahoo finance using Deephaven
June 10 2022 • 4 min read
Intern day 1: My first steps with real-time data software
Learning to install and use the Deephaven query engine
June 8 2022 • 5 min read
Store historical crypto data without file bloat
Make Parquet your new data storage standard
June 1 2022 • 3 min read
Hedging systematic risk with the Deephaven-IB plugin
How to build flexible risk analyses
May 25 2022 • 8 min read
A new matchmaking format for solo queue players in team games
Creating even teams from a pool of solo queue players for tournament play
May 20 2022 • 7 min read
Fetch Slack message for data analysis, and save to Parquet files
Stream message data for a public workspace in updating Deephaven tables
May 18 2022 • 4 min read
Wrangling semi-structured real-time data
Using Deephaven as a real-time JSON database
May 2 2022 • 7 min read
User spotlight: Dylan Carter's AI model for analyzing Solana and Twitter
Solana Price Prediction Using Twitter Volume and Sentiment Analysis Data
April 28 2022 • 31 min read
Batch process CSVs 60x faster than pandas with Parquet
Parquet files for big data
April 27 2022 • 4 min read
Customize 3 lines of Python code to visualize finance data
How anyone can plot Yahoo Finance data
April 25 2022 • 3 min read
Kaggle everything in 3 steps
Navigate the data rabbit hole with Python
April 21 2022 • 4 min read
Using Matplotlib and Seaborn with Deephaven
Plug-ins and pip make it a snap
April 13 2022 • 2 min read
The MVP trophy goes to...pandas!
Announcing the winner of the Python Package tournament
April 11 2022 • 4 min read
The r/place dataset
Translating the r/place dataset from CSV to Parquet
April 8 2022 • 3 min read
From 16 to 8 - Which Python packages made it through?
The Round 3 recap of the Python Package tournament
March 28 2022 • 5 min read
Cheating at math
Using the Online Encyclopedia of Integer Sequences to find the formula for optimal bracket ordering and to create Python and Java code
March 25 2022 • 2 min read
What made the cut? Round 2 of the Python Package tournament
Considering the 16 finalists for MVP
March 24 2022 • 2 min read
Why deltas are the cornerstone of Deephaven & Materialize
Deephaven's real-time incremental computation capabilities in the context of an e-commerce website example by Materialize.
March 23 2022 • 6 min read
Python’s Most Valuable Package: A March Madness Tourney for developers
The Python Community will choose one MVP from a starting bracket of 32 notable Python packages
March 21 2022 • 3 min read
Quant-trading like Wall Street pros
Combine the low-cost trading of Interactive Brokers with the analytical power and ease of use of Deephaven to yield an open, algorithmic trading platform with the new deephaven-ib Python module
March 17 2022 • 3 min read
My journey to event-driven programming and cleaner code
How working with Deephaven helped me adopt an event-driven development mindset
March 8 2022 • 5 min read
Python Server API v2 Release Candidate
Python Server API v2 Release Candidate
March 7 2022 • 2 min read
Racing with Materialize
A discussion of the real-time incremental computation capabilities of Deephaven compared to Materialize
March 5 2022 • 20 min read
Listen to and configure alerts for RSS table updates
How to create a listener for an RSS table
March 3 2022 • 5 min read
Speed up Python code that uses NumPy
Python code that uses NumPy can be sped up further by setting array contiguity
March 2 2022 • 5 min read
Real-time sentiment analysis with Python libraries
What if we could perform sentiment analysis on Twitter or Reddit in real time? That is to say, take all of the historical batch data on a topic, feed real-time updates into this set, and then analyze the whole model (streaming analytics and batch data alike) in one dynamic table.
February 23 2022 • 4 min read
Kafka + Parquet: Maximize speed, minimize storage
Parquet offers a smart storage solution for streaming data
February 22 2022 • 5 min read
Have you been hurt by lambdas in Python?
Python lambdas may not behave as expected
February 17 2022 • 4 min read
RSS meta-data discovery and Podcast exploration
How to pull data from multiple RSS feeds simultaneously into Deephaven
February 16 2022 • 5 min read
WORDLE, Python, and crowd-sourcing in real time
A computer science example even my teenagers like
February 11 2022 • 6 min read
Gremlins in Python default arguments
Python default arguments may not behave as expected
February 10 2022 • 2 min read
Real-time sentiment analysis using an LSTM network in TensorFlow
Sentiment Analysis in Deephaven with TensorFlow
February 8 2022 • 9 min read
The easiest way to see your crypto: Open-High-Low-Close charts
Vizualize crypto candles
February 3 2022 • 20 min read
Real-time classification with Deephaven and SciKit-Learn
Early Diabetes classification via risk factors with Deephaven
February 2 2022 • 9 min read
Introducing Deephaven Learn: Your new favorite tool for real-time AI in Python
Real-time data science, AI, and ML with Deephaven
January 20 2022 • 5 min read
Jump right into Python machine learning with Deephaven
Base+ images for AI/ML in Python make getting started quicker than ever
January 14 2022 • 2 min read
A DIY Reddit sentiment analyzer (of meme stocks)
Performing sentiment analysis on Reddit posts scraped via RSS
January 13 2022 • 5 min read
Solve WORDLE with Deephaven
Solve the daily [WORDLE](https://www.nytimes.com/games/wordle/index.html) with [Deephaven](https://github.com/deephaven/deephaven-core)
January 12 2022 • 6 min read
How to implement streaming analytics with Redpanda & Deephaven
Redpanda and Deephaven combined make the future of data
January 12 2022 • 10 min read
Take Twitter's temperature with Deephaven: a sentiment analysis tutorial
Pull live Twitter data for specified cryptocurrencies to perform sentiment analysis with Deephaven
January 11 2022 • 9 min read
Collecting one-time event data with Deephaven and Prometheus
Ingesting real-time alert data from Prometheus into Deephaven Community Core
December 17 2021 • 5 min read
Crypto made easy: import live trade data
Pull live and historical data for specified cryptocurrencies from the [CoinGecko](https://www.coingecko.com/) website into [Deephaven](https://github.com/deephaven/deephaven-core).
December 16 2021 • 6 min read
Detect credit card fraud with Deephaven
Credit card fraud analysis using DBSCAN and Deephaven
November 17 2021 • 14 min read
Become a Strava PowerUser with Deephaven
Visualize, manipulate, and combine your fit data with other sources, all while maintaining full ownership and control of your stats.
November 15 2021 • 7 min read
Bones or No Bones? More Deephaven predictions
Last week, we forecast Monday as a "Bones" day. Now, we tweak our predictions to see if we can better guess what Noodle will do.
November 8 2021 • 4 min read
Forecasting Bones or No Bones Days with Community Core
Each morning, the world waits to see if a 13-year-old pug named Noodle is having a “Bones day” or a “No Bones day.”
November 1 2021 • 6 min read
Using Redpanda to stream Docker Stats in Deephaven
Live Docker Stats Kafka Stream with Redpanda into Deephaven Community Core
October 21 2021 • 7 min read
Using Coingecko API with Deephaven
Pulling live and historical cryptocurrency data into Deephaven Community Core
October 20 2021 • 4 min read