no code implementations • 19 Oct 2023 • Joshua Rosaler, Dhruv Desai, Bhaskarjit Sarmah, Dimitrios Vamvourellis, Deran Onay, Dhagash Mehta, Stefano Pasquali
We initiate a novel approach to explain the predictions and out of sample performance of random forest (RF) regression and classification models by exploiting the fact that any RF can be mathematically formulated as an adaptive weighted K nearest-neighbors model.
no code implementations • 15 Aug 2023 • Dimitrios Vamvourellis, Máté Toth, Snigdha Bhagat, Dhruv Desai, Dhagash Mehta, Stefano Pasquali
Identifying companies with similar profiles is a core task in finance with a wide range of applications in portfolio construction, asset pricing and risk attribution.
no code implementations • 11 Jul 2022 • Dimitrios Vamvourellis, Mate Attila Toth, Dhruv Desai, Dhagash Mehta, Stefano Pasquali
Categorization of mutual funds or Exchange-Traded-funds (ETFs) have long served the financial analysts to perform peer analysis for various purposes starting from competitor analysis, to quantifying portfolio diversification.