Data Science and Blockchain Blog

How to illustrate log returns vs simple returns

Python finance log return NumPy econometrics log returns log return formula log returns formula pandas log returns simple returns statistics Realized Variance pct_change .pct_change() pandas pct_change

How to illustrate log returns vs simple returns

In this blog post we are introducing the concepts of log returns vs simple returns, realized volatility and realized variance.

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Pavel Fedotov

Simple and easy heroku telegram bot in Python

Python Python telebot telegram bot heroku api github telebot pip API virtualenv BotFather

Simple and easy heroku telegram bot in Python

We create a heroku python telegram bot from scratch. We utilize python telebot library and host the project on Heroku.

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Pavel Fedotov

Ultimate Guide to Python Proxy Scraping with AIOHTTP: Optimize Proxies

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Ultimate Guide to Python Proxy Scraping with AIOHTTP: Optimize Proxies

A proxy server is a remote server through which you connect to obfuscate your initial address. The proxy overlays your authentic IP address.

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Pavel Fedotov

How to Python jail escape (Newbie CTF 2019)

Python ctf ctf jail ethical hacking security Newbie CTF Newbie CTF 2019 pyjail bash data built-in methods getattr

How to Python jail escape (Newbie CTF 2019)

Python jail escape: a challenge with one of the lowest points in the Newbie CTF 2019 which we solve in this article. We use built-in methods.

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dspytdao

A How to efficientnet Keras Classification

image classification keras Python efficientnet data computer vision tensorflow data science efficientnet keras

A How to efficientnet Keras Classification

We discuss Convolutional Neural Networks, data augmentation, efficientnet classification and how to achieve 100% accuracy.

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Pavel Fedotov

Simple QR code generator on AWS with Flask

Python flask AWS QR code Casper blockchain PIL IO base64 github Elasticbean encoding http BytesIO web app github pipeline aws qr code generator python qr code generator simple qr codes qr code generator python

Simple QR code generator on AWS with Flask

Web application in Flask python to generate qr code for Casper network. We host the application at on AWS Elasticbean with GitHub pipeline.

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Pavel Fedotov

Simple Blockchain data indexing with TrueBlocks

TrueBlocks Indexer data IPFS data storage GitCoin Ethereum database timestamp blockchain blockchain indexer blockchain indexing

Simple Blockchain data indexing with TrueBlocks

In this article we discuss Blockchain data indexing. Blockchain is a type of a shared database that differs from a typical database.

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Pavel Fedotov

How to implement Realized Volatility python

Python finance volatility realized volatility realized volatility formula volatility python Pandas NumPy SciPy quarticity estimators calculate realized volatility

How to implement Realized Volatility python

Volatility estimators are especially valuable in modelling financial returns and capturing time-variability of financial series.

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Pavel Fedotov

Simple App with Ceramic Data Model and Unstoppable Domains - DSPYT

javascript yarn ceramic React vercel data Node blockchain data model unstoppable domains useweb3react

Simple App with Ceramic Data Model and Unstoppable Domains - DSPYT

Ceramic allows users to have complete ownership over their data by providing decentralized technologies for authentication and data storage.

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dspytdao