Bits of Analytics - Tutorials, notes, and ramblings on analytics

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analytics (1)

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birding (3)

blogging (6)

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gps (1)

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hillmaker (10)

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Allen Downey’s keynote at posit::conf(2024)

Maybe things aren’t as bad as I think. Or, maybe they are. Who knows?

data science

Create an eBird DuckDB database for use with R

Dealing with large eBird files in R

r

ebird

birding

database

dplyr

A vector-raster river map, three ways - Part 3: R

Using ggplot2, sf, terra, and friends to make maps

R

geonewb

mapping

geocomputation

A vector-raster river map, three ways - Part 2: Python

and then we’ll finish off with R

geonewb

geospatial

python

qgis

A vector-raster river map, three ways - Part 1: QGIS

and then we’ll repeat using Python and R

geonewb

geospatial

python

qgis

hillmaker 0.8.0 released

Major updates to hillmaker

python

hillmaker

Trying out DataCamp AI Assistant

You better check that code…

python

teaching

AI

Hello world maps in R using both raster and vector data

Mapping nest box locations in a nature park

R

geonewb

mapping

geocomputation

Using tidymodels for simulation metamodeling

Creating a custom parsnip model

R

simulation

metamodeling

First impressions of blogging with Quarto

…and how I ported content from my Sphinx based blog

quarto

blogging

R

python

Algal bloom detection extended tutorial - Part 3: Finding images of interest

Programmatically gather multiple images with the PyStac API and rescale Landsat images

geospatial

geonewb

python

geopandas

sentinel-2

landsat

planetary-computer

Algal bloom detection extended tutorial - Part 2: Planetary Computer intro

Acquiring and working with satellite imagery from the Planetary Computer

geonewb

geospatial

python

sentinel-2

planetary-computer

Geospatial podcasts

Listen and learn

geonewb

geospatial

Algal bloom detection extended tutorial - Part 1: geospatial libraries

Making sense of Python geospatial libraries

geonewb

geospatial

python

conda

Intro to the geonewb series

Trying to learn about geospatial analytics

geonewb

geospatial

Using R to download and plot Great Lakes historical water level data

R

ecology

Yep, moved my blog again

hselab.org (Drupal ==> Pelican) ==> misken.github.io (Sphinx) ==> bitsofanalytics.org (Quarto)

news

blogging

A bit on base R vs tidyverse for new R learners

Had an excuse to go back down this rabbit hole.

R

teaching

Performance improvements to hillmaker

numpy is snappy

hillmaker

python

Using SimPy to simulate a vaccine clinic - Part 2

model improvements

python

simpy

simulation

Using SimPy to simulate a vaccine clinic - Part 1

An introductory tutorial

python

simpy

simulation

Using different conda environments with Jupyter Lab

Run Jupyter lab from base and toggle between conda envs

python

jupyter

conda

Hello world from ablog blogging with JupyterLab

Testing out ablog Sphinx extension for blogging

blogging

sphinx

First post at Sphinx based blog

hselab.org has moved

blogging

sphinx

Using pip with conda for local development projects

Use the right pip when installing into conda envs

python

conda

Excel “what if?” analysis with Python - Part 4: Project structure and packaging

Create a simple Python package

python

excel

packaging

Excel “what if?” analysis with Python - Part 3: Simulation

Monte-Carlo simulation in Python

python

excel

simulation

Excel “what if?” analysis with Python - Part 2: Goal seek

Goal seek is root-finding

python

excel

Excel “what if?” analysis with Python - Part 1: Models and Data Tables

Build spreadsheet type models using Python

python

excel

Building coursewebs with Sphinx

restructuredText

python

sphinx

teaching

hillmaker 0.2.0 released

Some updates to hillmaker

python

hillmaker

Using hillmaker from R with reticulate to analyze time of day patterns in bike share data

Use Python modules from R

R

python

hillmaker

A common git / GitHub error by those new to git

git

Wednesday Birders 2018

Stats and plots using R

R

python

birding

Use R to explore station balance in bike share systems

… and learn a little dplyr programming

R

dplyr

bikeshare

Firewood math and metrics

Firewood metrics and simulating firewood use

python

simulation

Analyzing bike usage by time of day and day of week

Using hillmaker for occupancy analysis of cycle share data

python

hillmaker

occupancy analysis

pandas

matplotlib

bikeshare

Computing daily averages from transaction data using pandas can be tricky - Part 2

Now let’s add a grouping field

python

pandas

bikeshare

Computing daily averages from transaction data using pandas can be tricky - Part 1

Averages are easy, right?

python

pandas

bikeshare

Using Ubuntu to acquire and manage GPS data from Garmin eTrex

GPSBabel and a bunch of Linux device command line work

geospatial

hiking

gps

ubuntu

Blogging with Pelican and R Markdown

Documenting process for blogging with Pelican and R Markdown with a focus on figures.

blogging

python

R

Wednesday Birders 2015-2017

Using the ebird API, Python, and R to analyze data for our birding group

R

python

birding

Getting started with PyQt5 for Python GUI development

Another queueing model explorer

python

queueing

Getting started with simmer for patient flow modeling

Trying to do DES in R

R

simulation

patient flow

Exploration of metamodels for simulation models of patient flow systems

Queueing inspired feature engineering

R

modeling

queueing

healthcare

patient flow

An object oriented SimPy patient flow simulation model

In Part 2 of this series we build a simple object oriented SimPy model for simulating inpatient obsetrics patient flow.

python

simpy

simulation

healthcare

patient flow

Getting started with SimPy for patient flow modeling

Building simple patient flow simulation models with SimPy. Part 1 of a multipart series.

python

simpy

simulation

healthcare

patient flow

Comparing predictive models for obstetrical unit occupancy using caret - Part 3

Put it all together

caret

healthcare

R

modeling

Comparing predictive models for obstetrical unit occupancy using caret - Part 2

A simple caret automation function

caret

healthcare

R

modeling

Comparing predictive models for obstetrical unit occupancy using caret - Part 1

Fitting predictive metamodels

caret

healthcare

R

modeling

Concatenating csv files using pandas

python

pandas

csv

New version of hillmaker (finally) released - and it’s Python

Goodbye, Access, you’ve been great

python

hillmaker

Computing occupancy statistics with Python - Part 3 of 3

Occupancy by datetime

python

hillmaker

occupancy analysis

matplotlib

First R Shiny app

Rejection region plots for hypothesis tests

R

shiny

teaching

statistics

Goodbye Drupal: static-blogging with Pelican

Static blogging with Pelican

blogging

sphinx

Displaying Michigan state park locations: A getting started with ggmap (and XML) project

Getting started with ggmap and XML

R

geospatial

Exploring dates and times in Python

So many dates and times

python

datetime

Great time to be a data+computer+engineering+stat+math+business geek

Data science takes off

analytics

education

Presentation to Detroit ASA on open source for teaching business analytics

Trying to do DES in R

R

python

teaching

Learning Python - suggestions and resources for business analytics students and professionals

This post is hilariously old and outdated but it’s fun to look back

python

Teaching note: A VBA driven staff scheduling optimization tool

Use VBA to change Solver models

spreadsheets

excel

teaching

modeling

ggplot coming to Python?

Grammar of graphics

R

python

Using Excel array formulas to check conformance of data with the Empirical Rule

Evaluate formula tool handy for visualizing array formulas

python

excel

pandoc - a swiss army knife markup format converter

The magic behind tools like knitr

R

Computing occupancy statistics with Python - Part 2 of 3

Occupancy by datetime

python

hillmaker

occupancy analysis

Computing occupancy statistics with Python - Part 1 of 3

Occupancy by datetime

python

hillmaker

occupancy analysis

Vermont Cooperative Fish and Wildlife Research Unit Spreadsheet Project

Excel is everywhere

spreadsheets

excel

ecology

teaching

modeling

Create sequence of ggplots and send to pdf

Trying to do DES in R

R

xkcd on the Monty Hall problem

I’ll take the goat

probability

teaching

xkcd

The final word on date formats

datetime

xkcd

Future of Hillmaker

From Access to Python

python

hillmaker

Getting started with R (with plyr and ggplot2) for group by analysis

Slightly old-school tutorial on group by analysis with R

R

Using R instead of Excel for analyzing recovery room data

Another old-school tutorial on group by analysis with R

R

Getting started with groupby analysis in Python with pandas

Analyzing schedule lead time for surgery

python

pandas