R

Pratik Sachdeva, Ph.D.

Research Scientist

I am a Research and Data Scientist in the D-Lab at UC Berkeley. My research focuses on the societal impacts of machine learning models, with an emphasis on understanding the norms and values elicited from large language models. I also lead and support a range of social science projects, spanning hate speech detection, education, and computational humanities. Lastly, I help provide D-Lab's core instructional and consulting services.

I previously obtained my PhD in the Physics Department at UC Berkeley, conducting research in...

R Fundamentals: Parts 1-4

October 25, 2021, 9:00am
This workshop is a four-part introductory series that will teach you R from scratch with clear introductions, concise examples, and support documents. You will learn how to download and install the open-sourced R Studio software, understand data and basic manipulations, import and subset data, explore and visualize data, and understand the basics of automation in the form of loops and functions. After completion of this workshop you will have a foundational understanding to create, organize, and utilize workflows for your personal research.

R Advanced Data Wrangling: Parts 1-2

October 5, 2021, 2:00pm
Advanced Data Wrangling aims to help students to learn powerful data wrangling tools and techniques in R to wrangle data with less pain and more fun. This workshop will show how R can make your data wrangling process faster, more reliable, and interpretable.

R Fundamentals: Parts 1-4

October 6, 2021, 11:00am
This workshop is a four-part introductory series that will teach you R from scratch with clear introductions, concise examples, and support documents. You will learn how to download and install the open-sourced R Studio software, understand data and basic manipulations, import and subset data, explore and visualize data, and understand the basics of automation in the form of loops and functions. After completion of this workshop you will have a foundational understanding to create, organize, and utilize workflows for your personal research.

Maksymilian Jasiak

Data Science & AI Fellow 2025-2026
Civil and Environmental Engineering

Maksymilian Jasiak is a PhD Student in GeoSystems Engineering at the University of California, Berkeley. His research focuses on Distributed Fiber Optic Sensing (DFOS) for lifeline infrastructure monitoring. His work aims to advance critical infrastructure security and resilience. He holds a MS in GeoSystems Engineering from the University of California, Berkeley and a BS in Civil Engineering from the University of Illinois Urbana-Champaign.

Yaxuan Huang

Consulting Drop-In Hours: By appointment only

Consulting Areas: Causal Inference, Git or GitHub, LaTeX, Machine Learning, Python, Qualitative Methods, R, Regression Analysis, RStudio

Quick-tip: the fastest way to speak to a consultant is to first submit a request and then ...

Evan Kartheiser

Consulting Drop-In Hours: By appointment only

Consulting Areas: ArcGIS Desktop - Online or Pro, Data Visualization, Geospatial Data: Maps and Spatial Analysis, Git or GitHub, Google Earth Engine, HTML / CSS, Javascript, Python, QGIS, R, Regression Analysis, SQL, Spatial Statistics, Tableau, Time Series

Quick-tip: the fastest way to speak to a consultant is to first ...

Lance Santana

Consulting Drop-In Hours: By appointment only

Consulting Areas: APIs, ArcGIS Desktop - Online or Pro, Bayesian Methods, Cluster Analysis, Data Visualization, Databases and SQL, Excel, Git or GitHub, Java, Machine Learning, Means Tests, Natural Language Processing (NLP), Python, Qualtrics, R, Regression Analysis, Research Planning, RStudio, Software Output Interpretation, SQL, Survey Design, Survey Sampling, Tableau, Text Analysis

Quick-tip: the fastest way to speak to a consultant is to first ...

Alyssa Heinze

Consulting Drop-In Hours: By appointment only

Consulting Areas: Causal Inference, Data Visualization, Experimental Design, Focus Groups and Interviews, Git or GitHub, LaTeX, Machine Learning, Meta-Analysis, Mixed Methods, Qualitative Methods, Qualtrics, R, Regression Analysis, Research Design, RStudio, STATA, Survey Design, Text Analysis

Quick-tip: the fastest way to speak to a consultant is to first ...

Sharazad Ali

Consulting Drop-In Hours: By appointment only

Consulting Areas: Cluster Analysis, Databases and SQL, Data Visualization, Diversity in Data, Excel, Experimental Design, Focus Groups and Interviews, Machine Learning, Means Tests, Python, Qualitative Methods, Qualtrics, R, Regression Analysis, RStudio Cloud, Software Output Interpretation, SQL, Time Series

Quick-tip: the fastest way to speak to a consultant is to first ...