Name: Practical Parallel Computing 2: MPI Programming
Start: 2022-01-28T14:00:00-08:00
End: 2022-01-28T15:30:00-08:00
Location: Zoom

List

January 2021
Running Applications on the Hoffman2 Cluster: Introduction (Part I)

Institute for Digital Research and Education

January 25, 2021 @ 10:00 am - 12:00 pm

Zoom

To register please follow the Zoom link: https://ucla.zoom.us/meeting/register/tJcvcemurj0oHNwvsIvaqVDp2Uyqntnv2kpq The Hoffman2 cluster is a powerful computational resource for the UCLA research community. This workshop is part of a three-seminar series designed to introduce users to the Hoffman2 cluster environment and to clarify the process of porting applications or using applications already available on the cluster. It...
Zoomed Out? Creating Alternative VR Environments with Mozilla Hubs

Institute for Digital Research and Education

January 26, 2021 @ 2:00 pm - 4:00 pm

Zoom

Please REGISTER in advance here. Workshop will be conducted in Zoom in PST time. Invites are sent out the day before the workshop. While we are working remotely, there are many ways that we can share virtual space. Mozilla Hubs is a Web-based platform that provides users with three dimensional virtual space that can...

Free
Introduction to GIS for the Social Sciences with QGIS

Institute for Digital Research and Education

January 27, 2021 @ 2:00 pm - 3:00 pm

Zoom

Please REGISTER in advance here. Workshop will be conducted in Zoom in PST time. Invites are sent out the day before the workshop. Description Coming Soon If you have any further questions regarding the workshop, please contact the instructor Albert Kochaphum.

Free
Census Data Analysis and Mapping with Python

Institute for Digital Research and Education

January 29, 2021 @ 9:00 am - 11:00 am

Zoom

Please REGISTER in advance here. Workshop will be conducted in Zoom in PST time. Invites are sent out the day before the workshop. In this hands on workshop, you will be provided with a Jupyter Notebook workspace to import census data, explore, clean, and prepare the data for analysis using python. You will also learn...

Free
February 2021
Running Applications on the Hoffman2 Cluster: Case Studies (Part II)

Institute for Digital Research and Education

February 1, 2021 @ 10:00 am - 12:00 pm

Zoom

To register please follow the Zoom link: https://ucla.zoom.us/meeting/register/tJYvdemopjkrGNJmY3LY6Ktr-mTUl6T8D8XS The Hoffman2 cluster is a powerful computational resource for the UCLA research community. This workshop is part of a three-seminar series designed to introduce users to the Hoffman2 cluster environment and to clarify the process of porting applications or using applications already available on the cluster. It...
R Markdown Basics

Institute for Digital Research and Education

February 1, 2021 @ 1:00 pm - 4:00 pm

Zoom

Please REGISTER in advance here. Workshop will be conducted in Zoom in PST time. Invites are sent out the day before the workshop. R Markdown files integrate text, Markdown, and R code into dynamic documents that weave together plain text, formatted text, and the output of the R code. The resulting dynamic reports can...

Free
Using Anaconda to manage packages on Hoffman2 Cluster

Institute for Digital Research and Education

February 4, 2021 @ 10:00 am - 12:00 pm

Zoom

Anaconda is a popular, free and open-source distribution of many packages for scientific computing and data analysis. It is easy to use Anaconda to install and manage packages because of its ability to resolve version conflicts and package dependencies. On the Hoffman2 cluster, however, the environment is structurally different from that of a personal computer;...
Running Applications on the Hoffman2 Cluster: Case Studies (Part III)

Institute for Digital Research and Education

February 8, 2021 @ 10:00 am - 12:00 pm

Zoom

To register please follow the Zoom link: https://ucla.zoom.us/meeting/register/tJYvd-CqrjorHtKARZmYRFDkp7TjcDS_gV_r The Hoffman2 cluster is a powerful computational resource for the UCLA research community. This workshop is part of a three-seminar series designed to introduce users to the Hoffman2 cluster environment and to clarify the process of porting applications or using applications already available on the cluster. It...
Retiring Statistical Significance: Interpreting and Reporting P – Values and Confidence Intervals Without Significance Testing

Institute for Digital Research and Education

February 8, 2021 @ 1:00 pm - 4:00 pm

Zoom

Please REGISTER in advance here. Workshop will be conducted in Zoom in PST time. Invites are sent out the day before the workshop. The misuse of null hypothesis significance testing (NHST) and p-value thresholds, together with selective reporting of statistically significant results, have produced an inundation of overstated conclusions and unreplicable results in scientific...

Free
Numerical Computing using Julia

Institute for Digital Research and Education

February 22, 2021 @ 2:00 pm - 4:00 pm

Zoom

This workshop will illustrate using the Julia language in data-driven modeling and computations. More detailed description will be posted here soon.
Learning Scikit-Learn

Institute for Digital Research and Education

February 25, 2021 @ 10:00 am - 12:00 pm

Zoom

As machine learning gains more and more popularity in science and technology in recent years, scikit-learn becomes one of the must-have libraries in the general machine learning toolbox. In this lecture we will present an in-depth introduction to scikit-learn python library. Prerequisite knowledge for the workshop includes Python programming and basic machine learning concepts.
March 2021
Parallel Computing using MPI and Julia

Institute for Digital Research and Education

March 1, 2021 @ 2:00 pm - 4:00 pm

Zoom

This workshop will discuss the basics of MPI (message passing interface), and several distributed-memory parallel numerical computing examples using MPI. The Julia language will be used in the examples. It would be straightforward to translate the Julia examples into other languages, such as C and Fortran, if desired.
Introduction to Photogrammetry and Mobile LiDAR Scanning

Institute for Digital Research and Education

March 2, 2021 @ 2:00 pm - 4:00 pm

Zoom

Please REGISTER in advance here. Workshop will be conducted in Zoom in PST time. Invites are sent out the day before the workshop. 3D models can be formed in a number of ways. Two common surveying methods that result in 3D models are photogrammetry and light detection and ranging or lidar for short. A...

Free
Multiple Imputation in R

Institute for Digital Research and Education

March 8, 2021 @ 1:00 pm - 4:00 pm

Zoom

Please REGISTER in advance here. Workshop will be conducted in Zoom in PST time. Invites are sent out the day before the workshop. The purpose of this workshop is to discuss commonly used techniques for handling missing data and common issues that could arise when these techniques are used. In particular, we will focus...

Free
April 2021
Data Visualization with Python I: Plotting Fundamentals

Institute for Digital Research and Education

April 16, 2021 @ 9:00 am - 11:00 am

Zoom

Python is a very popular language for computational and data science, and it has many powerful capabilities for visualizing data. Data visualization plays an essential role in representing data so that its underlying patterns might be conveyed and understood. The first part of this series will showcase various ways that Python can be used for...
Introduction to Spatial Statistics with Python

Institute for Digital Research and Education

April 21, 2021 @ 9:00 am - 11:00 am

Zoom

Registration link: https://ucla.zoom.us/meeting/register/tJwkdu6hqj4sG9ZioB0tM8VuXxA44AWGc6W- Visual interpretations are meaningful ways to determine spatial trends in our data. However, underlying factors—such as inconsistent geographies, scale, data gaps, overlapping data—have the potential to produce incorrect assumptions, as valuable information may be conveniently hidden from the visual output. One way to address this issue is to amend your visual output...
Data Visualization with Python II: Making Interactive Plots and Widgets

Institute for Digital Research and Education

April 23, 2021 @ 9:00 am - 11:00 am

Zoom

Python is a very popular language for computational and data science, and it has many powerful capabilities for visualizing data. Data visualization plays an essential role in representing data so that its underlying patterns might be conveyed and understood. The second part of this series will explore various ways that Python can be used to...
Singularity on Hoffman2: Using containers on HPC resources

Institute for Digital Research and Education

April 29, 2021 @ 10:00 am - 11:00 am

Zoom

Singularity is a free, cross-platform and open-source software that can run Operating System Virtualization also known as Containerization. This type of virtualization allows you to run an Operating System within a host Operating System. Hoffman2 has the ability to run containerized software with singularity. This presentation will demonstrate using Singularity on Hoffman2. This presentation will...
May 2021
R Graphics: Introduction to ggplot2

Institute for Digital Research and Education

May 3, 2021 @ 1:00 pm - 4:00 pm

Zoom

Zoom registration required: https://ucla.zoom.us/meeting/register/tJAucO-orzkvHtGtJFXfN76vvx75TY-1QxIG This seminar teaches the “grammar” of graphics that underlies the ggplot2 package, allowing the user to build eye-catching, publication-quality graphics layer-by-layer. We cover the basic elements of the grammar of graphics, including aesthetics, geoms, scales, and themes, and we will show you how easy ggplot2 makes it to integrate these elements...
Package Management in Julia

Institute for Digital Research and Education

May 3, 2021 @ 2:00 pm - 4:00 pm

Zoom

The Julia language has a rich and fast-growing ecosystem in the form of open-source packages. We will cover the fundamentals of Julia's package management system, using either via the REPL (interactive command prompt) or the Pkg package, and show how to manage multiple sets of packages in the user environment. We will also discuss how to organize your Julia code into a package and share with others. Registration required.
High-Performance Data Science in Python (1) Interpreter War

Institute for Digital Research and Education

May 5, 2021 @ 10:00 am - 12:00 pm

Zoom

This workshop series will present an extensive discussion on how to improve the performance of Python in data science by looking under the hood of its language/libraries and using the technologies to make Python a practical solution for the high-performance big data analytics. In the first session, we will focus on how to boost the speed of python code in an interperter level by explaining the concepts (e.g. GIL, GIT) and introducing the packages of pypy, numba, pythran, cython etc. Although no specific prerequisite is required to attend the talk, having programming experience in Python will be helpful to fully understand the lecture content.
Running Applications on the Hoffman2 Cluster: Intro (Part I)

Institute for Digital Research and Education

May 10, 2021 @ 10:00 am - 12:00 pm

Zoom

** THIS WORKSHOP IS BEING RESCHEDULED TO MAY 10, 2021 ** The Hoffman2 Cluster is a powerful computational resource for the UCLA research community. This workshop is part I of a three-seminar series designed to introduce users to the Hoffman2 Cluster environment and to clarify the process of porting applications or using applications already available...
Introduction to Regression in R

Institute for Digital Research and Education

May 10, 2021 @ 1:00 pm - 4:00 pm

Zoom

Zoom registration required: https://ucla.zoom.us/meeting/register/tJAocumvrTkoHdVjqIGxWTdErUZLo_Z5hccE Regression analysis is one of the most powerful statistical techniques that is used to explain variability in a response (dependent) variable as a function of one or more predictor (explanatory or independent) variables. The aim of this seminar is to help participants increase their skills in using regression analysis with R....
High-Performance Data Science in Python (2) DataFrame Game

Institute for Digital Research and Education

May 12, 2021 @ 10:00 am - 12:00 pm

Zoom

This workshop series will present an extensive discussion on how to improve the performance of Python in data science by looking under the hood of its language/libraries and using the technologies to make Python a practical solution for the high-performance big data analytics. In the second session, we will focus on how to load/process the super big dataset in Python using a single machine and comparing the dataframe implementations from Pandas, Modin, Pandarallel, Dask and Vaex etc. Although no specific prerequisite is required to attend the talk, having programming experience in Python's numpy and Pandas packages will be helpful to fully understand the lecture content.
Running Applications on the Hoffman2 Cluster: Case Studies (Part II)

Institute for Digital Research and Education

May 17, 2021 @ 10:00 am - 12:00 pm

Zoom

** THIS WORKSHOP IS BEING RESCHEDULED TO MAY 17, 2021 ** The Hoffman2 Cluster is a powerful computational resource for the UCLA research community. This workshop is part II of a three-seminar series designed to introduce users to the Hoffman2 Cluster environment and to clarify the process of porting applications or using applications already available...
Confirmatory Factor Analysis (CFA) in R with lavaan

Institute for Digital Research and Education

May 17, 2021 @ 1:00 pm - 4:00 pm

Zoom

Zoom registration required: https://ucla.zoom.us/meeting/register/tJwkcuiqrjovGdFdq0u6EebmpiiX_KW00ohH This workshop will cover basic concepts of confirmatory factor analysis by introducing the CFA model and looking at examples of a one-factor, two-factor and second-order CFA. Concepts such as model identification, standardized solutions, and model fit statistics such as the chi-square statistic, CFI, TLI and RMSEA will be covered. The focus...
Data Visualization with Julia

Institute for Digital Research and Education

May 17, 2021 @ 2:00 pm - 4:00 pm

Zoom

The Julia language has a unified interface to its plotting functionalities, supported by multiple backends such as plotly and pyplot (matplotlib). We will cover the fundamentals of Julia's plotting capability, and show the process of creating data visualization from select examples, including interactive and animated plots. Registration required.
Introduction to Virtual Machines and Containers

Institute for Digital Research and Education

May 20, 2021 @ 10:00 am - 12:00 pm

Zoom

A virtual machine is an isolated operating system environment running on top of the host computer’s original operating system. This hypervisor-based technology enables us to run one or multiple operating systems on the same host computer (e.g. a Linux virtual machine on top of a Windows host computer). However, a virtual machine can be resource-heavy...
Running Applications on the Hoffman2 Cluster: Case Studies (Part III)

Institute for Digital Research and Education

May 24, 2021 @ 10:00 am - 12:00 pm

Zoom

** THIS WORKSHOP IS BEING RESCHEDULED TO MAY 24, 2021 ** The Hoffman2 Cluster is a powerful computational resource for the UCLA research community. This workshop is part III of a three-seminar series designed to introduce users to the Hoffman2 Cluster environment and to clarify the process of porting applications or using applications already available...
Applied Survey Data Analysis in Stata

Institute for Digital Research and Education

May 24, 2021 @ 1:00 pm - 4:00 pm

Zoom

Zoom registration required: https://ucla.zoom.us/meeting/register/tJUrcO2qpjopHdZ1iMHcg9ksIr0czZ3ixKiL This workshop will discuss the following topics: • how complex survey data are different from other types of data • how to do to basic descriptive statistics with continuous and categorical variables • how to make descriptive graphs with complex survey data • how to run a variety of regression models,...
June 2021
Learning Scikit-Learn: the basics

Qiyang Hu

June 23, 2021 @ 10:00 am - 12:00 pm

Zoom

As machine learning gains more and more popularity in science and technology in recent years, scikit-learn becomes one of the must-have libraries in the general machine learning toolbox. In this lecture we will present an introduction about the basics of scikit-learn python library. Prerequisite knowledge for the workshop includes Python programming and basic machine learning concepts.
High Performance Machine Learning Using Scikit-Learn

Qiyang Hu

June 25, 2021 @ 10:00 am - 12:00 pm

Zoom

As machine learning gains more and more popularity in science and technology in recent years, scikit-learn becomes one of the must-have libraries in the general machine learning toolbox. In this lecture we will discuss some advanced topic on using scikit-learn python library to make high performance machine learning, specifically the speedup modeling using multicore and accelerators and out-of-core learning. The session assumes the knowledge of topics covered in the first session. Working experience on Python programming, basic machine learning concepts and Scikit-learn will be helpful.
Introduction to Augmented Reality with Artivive

Francesca Albrezzi

June 29, 2021 @ 2:00 pm - 4:00 pm

Zoom

Augmented reality (AR) is the layering of computer-generated perceptual information onto real environments. The experience requires a level of interactivity and sensory engagement. AR is being adopted across the fields of architecture and engineering, as well as adopted by artists to make creative connections between our shared reality and that of innumerable virtual worlds. This...
July 2021
Introduction to Open Source Web GIS with Leaflet

Institute for Digital Research and Education

July 14, 2021 @ 9:00 am - 11:00 am

Zoom

Research projects are often confronted with the need to publish results to communicate their findings to the general audience. Publishing research on an interactive web-based map is an effective and visually compelling way to do so. In this workshop, participants will learn the basics of HTML, CSS and Javascript. We will use the Leaflet library...
Data Visualization from Matlab to Python/Matplotlib

Institute for Digital Research and Education

July 15, 2021 @ 10:00 am - 12:00 pm

Zoom
Introduction to the Linux Shell: Using the Command Line

Institute for Digital Research and Education

July 30, 2021 @ 9:00 am - 11:00 am

Zoom
August 2021
Introduction to the Linux Shell: Shell Scripting

Institute for Digital Research and Education

August 6, 2021 @ 9:00 am - 11:00 am

Zoom
Workflow automation with continuous integration and deployment (CI/CD)

Institute for Digital Research and Education

August 9, 2021 @ 2:00 pm - 4:00 pm

Zoom
Intermediate Topics in Confirmatory Factor Analysis (CFA)

UCLA IDRE Statistical Consulting

August 16, 2021 @ 1:00 pm - 4:00 pm

Zoom

This seminar is a continuation of the first seminar on Confirmatory Factor Analysis (CFA) in R with lavaan. Topics include multiple group CFA measurement invariance latent growth modeling Some time will be given at the end for interactive coding exercises. Instructor: Johnny Lin, Ph.D., OARC/IDRE Statistical Consulting Time: Aug 16, 2021 01:00 PM Pacific Time...
Statistical Writing

August 23, 2021 @ 1:00 pm - 4:00 pm

Workshop description and Zoom registration link coming soon!
Generalized Linear Models in R

August 30, 2021 @ 1:00 pm - 4:00 pm

This workshop is designed to give an overview on generalized linear models. The workshop introduces the basic theory of generalized linear models and their implementation in R. We will talk about a broad range of regression models such as Logistic regression, Poisson regression, negative binomial, zero-inflated Poisson, and zero-inflated negative binomial and how to run...
October 2021
Panel discussion on Interdisciplinary Research and Collaboration

October 29, 2021 @ 11:30 am - 12:30 pm

Zoom

Video Link: https://youtu.be/RVdWM1SbB4s The IDRE Early Career Researchers group is excited to restart its monthly meetings. This first meeting will introduce five IDRE scholars selected from a large pool of applicants, followed by a panel discussion on interdisciplinary research and collaboration. The following eminent UCLA researchers will be the panelists: Karen McKinnon, Institute of the Environment...
November 2021
Building a patient motion model for Radiotherapy

November 19, 2021 @ 11:30 am - 12:30 pm

Zoom

Speaker: Ricky Savjani, Ph.D. IDRE Scholar, Department of Radiation Oncology, University of California Los Angeles Abstract: Several technological advances in radiotherapy have enabled the use of focused radiation to treat solid tumors within the thoracic cavity. Stereotactic Body Radiation Therapy (SBRT) offers a way to treat patients with high doses of...
January 2022
Machine learning for Oceanic & Atmospheric Sciences

Institute for Digital Research and Education

January 7, 2022 @ 10:00 am - 3:00 pm

IDRE ECR Group is excited to announce Machine learning for oceanic & atmospheric sciences workshop with the following details: Title: Machine Learning for Oceanic & Atmospheric Sciences Date and Time: Friday, January 7, 2022 @10 AM (PST) Registration: https://ucla.zoom.us/meeting/register/tJclde2opjsiGdU0sq31tMP5YUXd8FbvCbCm Abstract: Machine learning (ML) denotes a host of computational methods for inferring meaningful patterns in data....
Version Control with Git

Office of Advanced Research Computing

January 20, 2022 @ 9:00 am - 11:00 am

Zoom

Git is a software tool that helps users manage changes to their software over time. Git will allow you to maintain a complete change history of every file, create branches for concurrent streams of changes, trace changes with annotations, and collaborate and share work with others. This interactive introduction will demonstrate how to use Git...
Practical Parallel Computing 1: Running MPI Programs

Office of Advanced Research Computing

January 21, 2022 @ 2:00 pm - 3:30 pm

Zoom

MPI (Message Passing Interface) is a standardized interface for portable distributed-memory scientific parallel computing. The portability ensures that a properly-written, standard-conforming MPI program can work the same way on different platforms ranging from laptop computers to massively parallel supercomputers. MPI has been widely used in advanced simulations, data analysis and visualization in the last two...
Make and Makefiles

Office of Advanced Research Computing

January 27, 2022 @ 9:00 am - 11:00 am

Zoom

Description coming soon. Register in advance: Please REGISTER using the Zoom Meeting Link before joining! If you have any questions regarding this event, please contact Ben Winjum.
Tips to run Matlab on Hoffman2 cluster

Office of Advanced Research Computing

January 27, 2022 @ 11:00 am - 12:00 pm

Zoom

In this workshop we will focus on the methods to execute Matlab interactively and run its programs via job scheduler on Hoffman2 cluster. (We will not describe how to write Matlab scripts nor how to use its internal/external functions.) Several methods to launch Hoffman2 Matlab GUI from different operating systems will be discussed, including the...
Phenological responses of North American birds to global change: Ecology in the age of big data

January 28, 2022 @ 11:30 am - 12:30 pm

Zoom

Speaker: Casey Youngflesh IDRE Scholar, Department of Ecology and Evolutionary Biology, University of California Los Angeles Time: 11:30 AM – 12:30 PM (PST) Date: Jan 28, 2022 Location: Zoom (RSVP here for the link) Abstract: Rapid abiotic environmental change is driving a multitude of shifts in natural systems across the Earth. One of...
Practical Parallel Computing 2: MPI Programming

Office of Advanced Research Computing

January 28, 2022 @ 2:00 pm - 3:30 pm

Zoom

MPI (Message Passing Interface) is a standardized interface for portable distributed-memory scientific parallel computing. The portability ensures that a properly-written, standard-conforming MPI program can work the same way on different platforms ranging from laptop computers to massively parallel supercomputers. MPI has been widely used in advanced simulations, data analysis and visualization in the last two...

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