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August 2021

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 them in R and how to interpret the results. Of course, we will not be able to discuss all aspects of generalize regression models such…

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Statistical Writing

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

Description:  This workshop will cover general advice on writing papers for publication. The notes for the workshop are here:  https://stats.idre.ucla.edu/other/mult-pkg/seminars/statistical-writing/ . Please register to obtain Zoom link:  https://ucla.zoom.us/meeting/register/tJcvcuivrjgtHtydB8qNmLT2Q5s79fPrezz4 After registering, you will receive a confirmation email containing information about joining the meeting.

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Intermediate Topics in Confirmatory Factor Analysis (CFA)

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 (US and Canada) Pre-requisites: Attendance or self-learning of first seminar Confirmatory Factor Analysis (CFA) in R with lavaan REGISTER to obtain Zoom link https://ucla.zoom.us/meeting/register/tJEqfumgqDsjEt1S9ROTo3zdJ9qWjNXvT5Ez After…

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

August 9, 2021 @ 2:00 pm - 4:00 pm
Zoom
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Introduction to the Linux Shell: Shell Scripting

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

Introduction to the Linux Shell: Using the Command Line

July 30, 2021 @ 9:00 am - 11:00 am
Zoom
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Data Visualization from Matlab to Python/Matplotlib

July 15, 2021 @ 10:00 am - 12:00 pm
Zoom
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Introduction to Open Source Web GIS with Leaflet

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 to overlay research data and create compelling narrative maps. Finally, participants will learn how to use GitHub Pages as a publishing platform for the interactive…

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June 2021

Introduction to Augmented Reality with Artivive

June 29, 2021 @ 2:00 pm - 4:00 pm
Zoom
hand holding mobile phone demonstrating AR

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 workshop will introduce participants to the design and mechanics of augmented reality. We will focus on working with images, bringing digital objects into live environments…

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High Performance Machine Learning Using Scikit-Learn

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.

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Learning Scikit-Learn: the basics

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.

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May 2021

Applied Survey Data Analysis in Stata

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, including linear, binary logistic, ordinal logistic, multinomial logistic and count regression models with complex survey data, including how to graph interactions in such models •…

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Running Applications on the Hoffman2 Cluster: Case Studies (Part III)

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 on the cluster. It also addresses how to port your workflow to the cluster and how to submit batch and run interactive applications. More Case…

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Introduction to Virtual Machines and Containers

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 to the host computer. In recent years, the container technology has emerged as a lightweight alternative to the virtual machine, also providing an isolated software…

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Data Visualization with Julia

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.

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Confirmatory Factor Analysis (CFA) in R with lavaan

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 is on learning the CFA model and how to implement and interpret the output in R’s lavaan package.

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

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 on the cluster. It also addresses how to port your workflow to the cluster and how to submit batch and run interactive applications. Case Studies…

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High-Performance Data Science in Python (2) DataFrame Game

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.

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Introduction to Regression in R

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. The seminar begins with simple regression and generalizes the methods to multiple regression, followed by regression diagnostics. The seminar briefly reviews regression concepts as necessary,…

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Running Applications on the Hoffman2 Cluster: Intro (Part I)

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 on the cluster. It also addresses how to port your workflow to the cluster and how to submit batch and run interactive applications. This introductory…

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High-Performance Data Science in Python (1) Interpreter War

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.

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Package Management in Julia

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.

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R Graphics: Introduction to ggplot2

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 to make informative and beautiful graphics. The seminar is meant to be interactive with attendees participating in the coding, so some very basic R coding…

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April 2021

Singularity on Hoffman2: Using containers on HPC resources

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 also go over several examples of running containers on Hoffman2 and creating containers to run custom user applications. If you have any further questions regarding…

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Data Visualization with Python II: Making Interactive Plots and Widgets

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 make interactive graphics for exploring data and conceptualizing trends and dependencies.  We'll dive into Python libraries for making interactive widgets, plots, and dashboards (ipywidgets, bqplot, voila,…

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Introduction to Spatial Statistics with Python

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 with geo-statistical validation. In this workshop, we will use Python to look at one such approach: Spatial Autocorrelation. Spatial autocorrelation addresses the so-called "First Law…

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Data Visualization with Python I: Plotting Fundamentals

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 creating graphics, following which we'll dive into some common Python libraries for data viz:  Matplotlib, Pandas, and Seaborn.  We will go through several interactive exercises…

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March 2021

Multiple Imputation in R

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

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 on the one of the most popular methods, multiple imputation, and how to perform it using the package mice in R. We will also briefly…

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Introduction to Photogrammetry and Mobile LiDAR Scanning

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

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 form of photogrammetry has been around since the beginnings of photography in the mid-19th century. The term usually refers to the method by which 2D…

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Parallel Computing using MPI and Julia

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.

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February 2021

Learning Scikit-Learn

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.

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Numerical Computing using Julia

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.

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Retiring Statistical Significance: Interpreting and Reporting P – Values and Confidence Intervals Without Significance Testing

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

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 research.  Many of these abuses come from misunderstandings of how to interpret p-values, confidence intervals, the words “statistical significance”, and the uncertainty in a statistical…

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Running Applications on the Hoffman2 Cluster: Case Studies (Part III)

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 also addresses how to port your workflow to the Hoffman2 and how to submit batch and run interactive applications. Case Studies II continue to address…

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Using Anaconda to manage packages on Hoffman2 Cluster

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; there are other best practices to be considered. One can take advantage of the system-wide Anaconda base to install one’s own packages or to build…

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R Markdown Basics

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

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 be produced in many formats, including HTML documents, HTML slideshows, LaTeX pdf, Beamer slideshows, MS Word doc, books, scientific articles, and websites.   This seminar covers…

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

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 also addresses how to port your workflow to the Hoffman2 and how to submit batch and run interactive applications. Case Studies I addresses specific workflow…

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January 2021

Census Data Analysis and Mapping with Python

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

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 how to create compelling choropleth maps with selected variables that can be used for publications. If you have any further questions regarding the workshop, please…

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Introduction to GIS for the Social Sciences with QGIS

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

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.

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Zoomed Out? Creating Alternative VR Environments with Mozilla Hubs

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

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 allow for links, videos, 2D and 3D objects, and live interaction. As an alternative to zoom, Mozilla Hubs has been used for poster sessions, conferences,…

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

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 also addresses how to port your workflow to the Hoffman2 and how to submit batch and run interactive applications. This introductory workshop addresses the specifics…

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Numerical Computing with Python: Numerical Modeling

January 22, 2021 @ 9:00 am - 10:30 am
Zoom

Python is a general-purpose programming language that is easy to learn and widely used.  It is one of the primary programming languages for data science, and when combined with its modules such as NumPy, SciPy, Matplotlib, and Pandas, it can be a very powerful tool for numerical computing. The third part of this hands-on series will be an overview of using Python for numerical programming.  We will focus on a few illustrative numerical problems based on curve fitting, finding solutions…

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Numerical Computing with Python: Intro to Numpy, Scipy, and Pandas

January 15, 2021 @ 9:00 am - 10:30 am
Zoom

Python is a general-purpose programming language that is easy to learn and widely used.  It is one of the primary programming languages for data science, and when combined with its modules such as NumPy, SciPy, Matplotlib, and Pandas, it can be a very powerful tool for numerical computing. The second part of this hands-on series will introduce you to the modules that enable Python to function as a powerful numerical programming language:  NumPy, SciPy, and Pandas.  By the end, you…

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Numerical Computing with Python: Python Basics

January 8, 2021 @ 9:00 am - 10:30 am
Zoom

Python is a general-purpose programming language that is easy to learn and widely used.  It is one of the primary programming languages for data science, and when combined with its modules such as NumPy, SciPy, Matplotlib, and Pandas, it can be a very powerful tool for numerical computing. The first part of this hands-on series will introduce you to the basic concepts and features of Python.  By the end, you should be able to read and write basic Python modules…

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November 2020

Make and Makefiles

November 24, 2020 @ 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.

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Beginning Programming for Creatives

November 17, 2020 @ 2:00 pm - 4:00 pm
Zoom
Free

Please RVSP here. Workshop will be conducted in Zoom in PST time. Invites are sent out the day before the workshop. The digital realm is becoming an increasingly popular space for creatives. By creatives, I don't just mean artists, but anyone who wants to harness their creativity, skill, and imagination to produce something with a personal touch and flair. From interactivity to detailed design, browser windows can connect with viewers in powerful ways. So how do you start making the…

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Jupyter Advanced Topics

November 17, 2020 @ 9:00 am - 11:00 am
Zoom

This short class will illustrate several powerful tools and features that can enhance one’s experience with Jupyter notebooks. The interactive demonstrations will include a brief overview of plotting tools and magics, followed by demonstrations of how to make interactive widgets for interactive visualizations and dashboards and how to generate analysis pipelines and reports. Basic familiarity with Python will be assumed. Register in advance:  Please REGISTER using the Zoom Meeting Link before joining! If you have any questions regarding this event, please…

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UC GIS Week

November 17, 2020 - November 19, 2020
Zoom

Register now for the first UC GIS Week conference from Nov. 17th - 19th!  The UC GIS Week committee is proud to announce the first UC-wide GIS Week. Join us for a 3-day virtual conference which celebrates the GIS work of the University of California faculty, staff, students, and alumni. The University of California system is holding an inaugural UC GIS Week on November 17th – 19th, 2020 through Zoom. We will celebrate all things mapping and geospatial. In light…

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Running Applications on the Hoffman2 Cluster: Case Studies II

November 16, 2020 @ 10:00 am - 12:00 pm
Zoom

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 also addresses how to port your workflow to the Hoffman2 and how to submit batch and run interactive applications. Case Studies II continue to address specific how to submit specific workflow classes such…

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Markdown for Technical Writing

November 12, 2020 @ 10:00 am - 12:00 pm
Zoom

We will discuss using Markdown (a light-weight markup language with plain-text formatting syntax) for technical writing, including the support of LaTeX-style mathematics typesetting and bibliography. The approach can be applied to writing dissertation, research manuscripts, presentation slides, and web pages from the same set of source files. A number of documentation-building tools around the Markdown format will be introduced. We will also discuss using GitHub and Travis CI for version control and automatic building of documents and web pages.

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