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Rahul Agarwal
Rahul Agarwal

59 Followers

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Time Series Intelligence

This is a post to link together various past/future ones into a single story. Understanding time series and various concepts like stationary, seasonality, trend and additive/multiplicative series. Forecasting with Facebook Prophet Forecasting with SARIMA Forecasting with LinkedIn Greykite Trying out Auto-ML with AWS and GCP Auto-ML with Azure How to understand and explain accuracy of forecasts There will probably be some more related posts over time and I will try to keep this index updated!

Time Series Forecasting

1 min read

Time Series Forecasting
Time Series Forecasting
Time Series Forecasting

1 min read


Aug 11

From Words to Pictures: Text to Image Generation with Stable Diffusion XL

I had previously used the stable-diffusion model and now with its new version out trying to see what has changed in Stable Diffusion XL. I deployed on AWS with SageMaker. My notebook is is available in github (see text_to_image_stability_xl). Multi-prompting looks be a new change but it does not work…

Stable Diffusion

12 min read

From Words to Pictures: Text to Image Generation with Stable Diffusion XL
From Words to Pictures: Text to Image Generation with Stable Diffusion XL
Stable Diffusion

12 min read


Jul 3

Student assessments in the age of ChatGPT

Sometimes I teach at a local community college. While I have not since ChatGPT became popular, I wonder how assessments need to be reimagined. I see articles on instructors disallowing use of ChatGPT and some instructors even withholding grades. In my opinion, those are not productive options. For a perspective…

Student Assessment

5 min read

Student assessments in the age of ChatGPT
Student assessments in the age of ChatGPT
Student Assessment

5 min read


Jun 26

Using Azure OpenAI for a custom chatbot

Finally I got access to Azure OpenAI so recreating my previous example to work with Azure OpenAI. It is generally similar and the differences are highlighted in this Azure doc. There are some minor LangChain and LlamaIndex changes too. You need to complete the prerequisites steps documented prior to proceeding…

Azureopenai

4 min read

Using Azure OpenAI for a custom chatbot
Using Azure OpenAI for a custom chatbot
Azureopenai

4 min read


Jun 15

Foundation Models and Generative AI

In the last few weeks, I have created some simple applications for a custom data, chained chatbot using OpenAI and also deployed some local models for chat and image generation. Taking a step back, this week is my attempt to understand the bigger picture when it comes to the recent…

Machine Learning

10 min read

Foundation Models and Generative AI
Foundation Models and Generative AI
Machine Learning

10 min read


Jun 7

Local generative models with GPT4All and LocalAI

So far I tried running models in AWS SageMaker and used the OpenAI APIs. There are some local options too and with only a CPU. …

Generative Ai

3 min read

Local generative models with GPT4All and LocalAI
Local generative models with GPT4All and LocalAI
Generative Ai

3 min read


May 23

Creating a custom chatbot with OpenAI

My social feeds are full of generative AI so with fomo in mind here is an attempt to create my own chatbot, using OpenAI APIs, and augmented with custom data. There are way too many options, so this exercise has been about figuring out the tools to pick and stitching…

Generative Ai

5 min read

Creating a custom chatbot with OpenAI
Creating a custom chatbot with OpenAI
Generative Ai

5 min read


May 17

From Words to Pictures: Text to Image Generation

Yes this is not new anymore, but I’m finally getting around to doing this for myself! There are simple apps anyone can use, however in this article I explore using some models, deploying them myself and then generating images and learn about prompting. Hugging Face lists numerous text-to-image models so…

Generative Ai

11 min read

From Words to Pictures: Text to Image Generation
From Words to Pictures: Text to Image Generation
Generative Ai

11 min read


Apr 22

Lesson 6— Electronics for 5–6 year olds — Using a NOT gate for a night light

This story is part of a series. See this starting page for links to other lessons. In this lesson we will create a night light that turns on when its dark and turns off when there is light. Recall Lesson 4 where we used a LDR that made a light…

Electronics

2 min read

Lesson 6— Electronics for 5–6 year olds — Using a NOT gate for a night light
Lesson 6— Electronics for 5–6 year olds — Using a NOT gate for a night light
Electronics

2 min read


Mar 13

Lesson 5— Electronics for 5–6 year olds — NOT logic gate from transistors

This story is part of a series. See this starting page for links to other lessons. In this lesson we will learn what is a NOT logic gate and build it with a transistor. In this circuit when you send electricity then the LED turns off and when you don’t…

Electronics

2 min read

Lesson 5— Electronics for 5–6 year olds — NOT logic gate from transistors
Lesson 5— Electronics for 5–6 year olds — NOT logic gate from transistors
Electronics

2 min read

Rahul Agarwal

Rahul Agarwal

59 Followers

https://linkedin.com/in/rahulaga

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