Shreyas P

This curve fitting illustrations remains my favourite @xkcdComic. In #dataScience we may easily unconsciously impose our hypothesis on the data. Proper model validation is absolutely paramount! Tags: #rstats, #statistics

I just published Validating Machine Learning Regression Models: A Comprehensive Guide link.medium.com/vgTuBC8NgLb

I just published Confusion Matrix link.medium.com/5D5dsj6R2Kb

Policy Learning with Large World Models: Advancing Multi-Task Reinforcement Learning Efficiency and Performance Quick read: marktechpost.com/2024/07/07/pol… Paper: arxiv.org/abs/2407.02466 GitHub: github.com/imgeorgiev/PWM @imgeorgiev @VarunGiridhar3 @ncklashansen @animesh_garg

Remember: A model is only as good as its validation. Proper validation ensures financial institutions make informed, data-driven decisions. 🎯💼 #DataDrivenDecisions

Model validation isn't just about numbers. It requires clear communication to explain complex concepts to various stakeholders. 🗣️📝 #BusinessCommunication

Interested in becoming a model validation analyst? Brush up on your stats, learn programming (like SAS), and sharpen your analytical skills! 📚💻 #CareerAdvice

Model validation combines the precision of mathematics with the practicality of finance. It's where numbers meet real-world decision-making. 🌐💰 #FinancialModeling

Failed models get sent back to the drawing board. It's all about ensuring the bank's decisions are based on reliable predictions. 🔁🛠️ #ModelDevelopment

Being a model validation analyst requires a mix of math skills, critical thinking, and attention to detail. It's a challenging but rewarding role! 🧠💡 #CareerInFinance

The Population Stability Index (PSI) is crucial in model validation. It checks if the model's underlying population has shifted over time. 🔄🕰️ #DataAnalysis

Ever wondered how banks ensure their predictive models are accurate? Enter the world of model validation! 🏦📊 #ModelValidation #FinancialRisk

Quantitative validation involves statistical tests like GINI Coefficient and Kolmogorov-Smirnov. These measure the model's discriminatory power. 📊🧮 #Statistics

Qualitative validation looks at the conceptual soundness of the model. Is the methodology appropriate? Is the data quality sufficient? 🤔📚 #DataQuality

Model validation happens in 3 phases: pre-development, post-development, and post-implementation. Each phase requires different levels of scrutiny. 🔍📈 #DataScience

A model validation analyst is like a detective, investigating the rigor and accuracy of predictive models. It's a key role in financial decision-making! 🕵️‍♀️💼 #FinTech

Model validation is crucial for managing risk in financial institutions. It's all about making sure predictive models perform at their best. 🎯 #RiskManagement

I'm developing new interactive dashboards using #Python and @matplotlib to teach #MachineLearning concepts. Here’s a sneak peek into a simple artificial neural network implementation. Throughout each training epoch, I demonstrate: Forward Pass: Calculation of the loss function, showing how inputs transform through each layer to produce the output. Backpropagation: Computation of the gradients with respect to all the weights with the chain rule, illustrating how the network learns by adjusting weights to minimize the loss. The dashboards illustrate the flow of information forward and backward through the network, making complex concepts accessible to all!

When I teach #MachineLearning, I emphasize the importance of a strong foundation in #statistics. This includes techniques like #Markov chain #MonteCarlo (MCMC) for sampling the solution posterior distribution. Many students find Monte Carlo methods challenging, so I've developed several interactive #Python dashboards using @matplotlib to help illustrate them! One example is the Gibbs sampler, which demonstrates sequential drawing from conditional distributions to sample the joint distribution! On #GitHub @ github.com/GeostatsGuy/Da… ∀. #DataScience

5. Artificial Neuron - AI by Hand✍️Workbook Series Previous Workbooks: 4. Activation: x.com/ProfTomYeh/sta… 3. Linear Layer: x.com/ProfTomYeh/sta… 2. Matrix Multiplication: x.com/ProfTomYeh/sta… 1. Dot Product: x.com/ProfTomYeh/sta… I share original hand calculation exercises like this, with 36K followers on LinkedIn. I just started sharing on X. If you find this workbook helpful, [Follow] me for more!