Lefkios Paikousis Email & Phone Number

I am very fond of data analysis, visualisation, statistical modelling and building interactive web applications with the Shiny web framework.I collaborate with the private sector, for data analysis - web applications - automation -statistical programming - visualisation, and academic researchers with survey design, data collection and analysis.My core competencies are: Build and lead a data science teamStatistical computing: I can identify and analyze trends or patterns in data sets using the statistical computing language R, and SQL.Create a robust pipeline for automating the process, from ETL to communicating to stakeholdersReproducibility: I can create reports in Rmarkdown documents. Rmarkdown enables reproducibility and knowledge sharing effectively.Data and database wrangling: I have extensive knowledge of the dplyr ecosystem in R. I utilise dplyr with Postgres, DUCKDB, and parquet filesVisualisations: Very good knowledge of the ggplot2 package in R. Ggplot2 is an advanced plotting system for R based on the grammar of graphics.Web applications: I build interactive web apps using the shiny framework (https://shiny.rstudio.com)I developed the ImproRisk model (www.improrisk.com) - a tool for conducting deterministic dietary risk assessment analysis. It is built in the R SHiny Web Framework. Several European risk assessment authorities are now using it.Training: Designed and delivered an advanced Excel course for company executives. Designed and delivered a training workshop on the use of the ImproRisk model to risk assessors from 20 European risk assessment authoritiesSurvey design, data collection and analysis: Expertise in designing surveys. Implement data collection processes, data cleaning, validation and final preparation for analysis. Research. As an independent researcher, I collaborate with academia in the area of healthcare.

Listed skills include Data Analysis, Statistical Modeling, Spss, Statistics, and 26 others.