Vijay D. Profile

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$30 USD / hour

bengaluru,

india

$30 USD / hour

It's currently 6:11 PM here

Joined April 26, 2024

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Vijay D.

@freelancevijaydw

0.0

(0 reviews)

0.0

100%

$30 USD / hour

bengaluru,

india

$30 USD / hour

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Data Scientist | Prob & Stats| R | Python | Pyro

With over 20 years of experience in engineering and data science, I have worked as program manager at MNC, where I lead and execute complex projects that involve data analysis, optimization, and prediction. I have a master's degree in mechanical engineering and certifications in Six Sigma and Analytics Engineer from GE, as well as a Coursera course certificate in Sequences, Time Series and Prediction. ✹✹ R programming language, R markdown ✹✹ Shiny app ✹✹ Python, Pyro, PyMC ✹✹ Excel ✹✹ Data visualization ✹✹ Data preprocessing ✹✹ Data cleaning ✹✹ Bayesian analysis (BUGS, Stan) ✹✹ Simulation studies ✹✹ Statistical models (Regression, Logistic regression, CART, GLM) ✹✹ Mathematical statistics ✹✹ Statistical distribution ✹✹ Statistics and probability tutoring

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Portfolio

https://www.cloudskillsboost.google/public_profiles/baee0050-27df-473c-8da3-43c08b3f7716

Google Cloud Skill Set

This is simple (toy) to show the Stock price, Bollinger Band and other parameters. Please check think below

https://vijaydwivedi.shinyapps.io/Analysis/

Stock Market Data Insight

Google Cloud Skill Set

Stock Market Data Insight

Reviews

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Experience

Feb 2019 - Present

* Demand Forecasting for material to reduce the TAT for off wing engine by means of twins model based on Bayesian Network concept to reduce it by 10% * Predictive work scoping for off wing ESN to 85% accuracy so that accurate prediction of demand to reduce the TAT * Leading a team of professionals to create/customize/develop/deploy ABM plan for hot gas path components to increase TOW by 20%, reduce maintenance burden, unscheduled engine removal in GE90/GP fleet

Jun 2012 - Jan 2019 (6 years, 7 months)

* Conceptualizing text-mining based tool for Engine Service Manual comparison among GE90, GEnx, GP resulted in 5 days of Turn Around Time (TAT) * Developing and deploying Field Operational Data Analysis web-based Tool in R to carry out refined LCF based life substantiation for Departure Records with saving of 3 critical rotor components from scraping it

Education

MSc (Energy System)

University of Strathclyde,

United Kingdom

2008 - 2009

(1 year)

B Tech (Mechanical)

Govind Ballabh Pant Krishi Evam Praudyogik Vishwavidyalaya,

India

1994 - 1998

(4 years)

Qualifications

Bhabha Atomic Research Centre, Mumbai, India

1998

Advance understanding of the Nuclear Science & Technology from India Nuclear Program perspective.

Publications

Behaviour of Steam Generator Top and Bottom Flanged Connections at Elevated Temperatures

Pressure Vessels and Piping, “OPE 2006 – CHENNAI”, 7-9, February 2006, Chennai, India

This paper analyses the behaviour of SGTF Steam Generator flange joints at elevated temperatures, mainly with respect to the effect of differential thermal expansion of stud and flange materials. Taking these into consideration, alternative materials for studs and gasket are explored and provision of sleeves between the nut and flange to nullify the thermal differential expansion is suggested.

UNCERTAINTY IN WIND ENERGY YIELD PREDICTIONS

https://www.esru.strath.ac.uk/EandE/Web_sites/08-09/Wind_Uncertainty/index.htm

The aim of the project is to study the variation in correlation parameters for the Measure-Correlate-Predict (MCP) method between the wind speed data of pseudo wind farm site and meteorological site. We are also exploring behaviour of power curve for real wind farm in UK. This project has been developed in the framework of the MSc in Energy Systems and the Environment under the Sustainable Engineering program in the University of Strathclyde, Glasgow.

Thermal Modelling and Control of Domestic Hot Water Tank

https://www.esru.strath.ac.uk/Documents/MSc_2009/Dwivedi.pdf

A Solar Domestic Hot Water (SDHW) system recovers the energy from the solar collector panel and transfers it to the domestic hot water tank. The objectives of this project are to understand the heat transfer characteristic of a SDHW system and to explore the fact that these modified hot water cylinder could be controlled in such a way that they operate efficiently.