home ⨳ rkoopmann

Here’s some things; Some are good, some are okay, a lot are stupid.

2024

⨳ Apr 10 ⨳ Some Jekyll Tools ⨳ 2 minute read ⨳ bash ⨳ meta ⨳

⨳ Mar 12 ⨳ (In|De)flation ⨳ 3 minute read ⨳ api ⨳ app ⨳ iOS ⨳ iPad ⨳ SwiftUI ⨳

2023

⨳ Jan 02 ⨳ New (To Me) Music - 2022 ⨳ 8 minute read ⨳ music ⨳

2022

⨳ Nov 05 ⨳ A Simple Card Trick ⨳ 1 minute read ⨳ app ⨳ iOS ⨳ SwiftUI ⨳

⨳ Apr 08 ⨳ Text Permutations on iOS/macOS ⨳ 2 minute read ⨳ app ⨳ iOS ⨳ iPad ⨳ macOS ⨳ sas ⨳ SwiftUI ⨳

2020

⨳ Jul 20 ⨳ A Function to Mask Strings ⨳ 6 minute read ⨳ function ⨳ sql ⨳

⨳ Apr 07 ⨳ Setlist Events in Go ⨳ 1 minute read ⨳ golang ⨳

2017

⨳ Aug 01 ⨳ Wallets ⨳ 2 minute read ⨳ review ⨳

⨳ Jul 18 ⨳ Shifty Metadata ⨳ 1 minute read ⨳ Excel ⨳ function ⨳ sas ⨳

2015

⨳ Mar 01 ⨳ Simplenote to Vesper ⨳ 2 minute read ⨳ app ⨳

2014

⨳ Oct 29 ⨳ Current File Path ⨳ 1 minute read ⨳ snippet ⨳ sas ⨳

⨳ Aug 26 ⨳ Finding Conventions, Establishing Standards ⨳ 1 minute read ⨳ perl ⨳ sas ⨳

⨳ Aug 22 ⨳ We Blew It ⨳ 1 minute read ⨳ rant ⨳ twitter ⨳

⨳ Aug 18 ⨳ getOption ⨳ 1 minute read ⨳ sas ⨳ sas macro ⨳ system options ⨳

⨳ Jul 17 ⨳ Benchmarking the sasload Statement ⨳ 2 minute read ⨳ benchmark ⨳ sas ⨳

⨳ Jul 14 ⨳ On Interruptions ⨳ 1 minute read ⨳ analysis ⨳

⨳ Jul 09 ⨳ Rebuilding Wide Macros ⨳ 2 minute read ⨳ sas ⨳ sas macro ⨳

⨳ May 19 ⨳ Last Week of Quarter ⨳ 2 minute read ⨳ date values ⨳ sas ⨳

⨳ May 03 ⨳ Setting %array Values Through %do_over ⨳ 2 minute read ⨳ sas ⨳ sas macro ⨳

⨳ Jan 28 ⨳ $329 Retina iPad Mini ⨳ 2 minute read ⨳ iPad ⨳

2013

⨳ Dec 29 ⨳ A New Home ⨳ 1 minute read ⨳ meta ⨳

⨳ Dec 26 ⨳ transactions.pl: A Mint Parser ⨳ 1 minute read ⨳ gist ⨳ perl ⨳

⨳ Apr 30 ⨳ Convert to a [hhmmss-Type Integer to a] SAS Time - (SO) ⨳ 1 minute read ⨳ sas ⨳ stack overflow ⨳ time values ⨳

⨳ Apr 01 ⨳ Pretty Note Blocks ⨳ 2 minute read ⨳ sas ⨳ sas macro ⨳

⨳ Mar 29 ⨳ Setting the Price Early ⨳ 1 minute read ⨳ apple ⨳ iPad ⨳

⨳ Feb 23 ⨳ In the Future, I'll Only Buy Memorex Optical Media ⨳ 1 minute read ⨳ tip ⨳

⨳ Feb 01 ⨳ writing fractions in html ⨳ 1 minute read ⨳ html ⨳ sas ⨳

2012

⨳ Nov 26 ⨳ SAS Global Forum 2013 ⨳ 1 minute read ⨳ conference ⨳ sas ⨳ sas macro ⨳

⨳ Oct 30 ⨳ blocks, not lines ⨳ 1 minute read ⨳ debug ⨳ sas ⨳ sas macro ⨳

⨳ Oct 28 ⨳ dates from date times ⨳ 1 minute read ⨳ date values ⨳ function ⨳ sas ⨳ technical debt ⨳

⨳ Oct 05 ⨳ Too complex to edit ⨳ 1 minute read ⨳ meta ⨳ rant ⨳

⨳ Sep 25 ⨳ classical sas ⨳ 1 minute read ⨳ music ⨳ sas ⨳

⨳ Sep 22 ⨳ The non-letterboxed keyboard ⨳ 1 minute read ⨳ iOS ⨳ rant ⨳

⨳ Sep 17 ⨳ resolve function ⨳ 1 minute read ⨳ function ⨳ sas ⨳

⨳ Sep 12 ⨳ The paywall, the backdoor, and twitter ⨳ 3 minute read ⨳ hack ⨳

⨳ Aug 02 ⨳ Western Users of SAS Software 2012 ⨳ 1 minute read ⨳ conference ⨳ sas ⨳ sas macro ⨳ tracker ⨳

⨳ May 18 ⨳ why i look forward to collection calls ⨳ 3 minute read ⨳ rant ⨳

⨳ May 10 ⨳ windows environment variables ⨳ 1 minute read ⨳ windows ⨳ sas ⨳

⨳ Apr 26 ⨳ My SAS Global Forum 2012 Timeline ⨳ 14 minute read ⨳ conference ⨳ sas ⨳

⨳ Apr 06 ⨳ self-purging macros? ⨳ 1 minute read ⨳ sas ⨳ sas macro ⨳

⨳ Apr 02 ⨳ simulating child's play ⨳ 3 minute read ⨳ array ⨳ do loop ⨳ sas ⨳ simulation ⨳

⨳ Mar 29 ⨳ getting feedback on macro parameters ⨳ 1 minute read ⨳ sas ⨳ sas macro ⨳ tip ⨳

⨳ Mar 14 ⨳ macros and the data step ⨳ 1 minute read ⨳ data step ⨳ sas ⨳ sas macro ⨳

⨳ Feb 27 ⨳ clearing out the cruft ⨳ 2 minute read ⨳ apple ⨳

⨳ Feb 19 ⨳ api upgrades ⨳ 1 minute read ⨳ api ⨳ sas ⨳

⨳ Jan 24 ⨳ a small portion of a large number… ⨳ 1 minute read ⨳ rant ⨳

⨳ Jan 23 ⨳ vending machine math ⨳ 3 minute read ⨳ array ⨳ sas ⨳

⨳ Jan 20 ⨳ my k'nex iphone stand ⨳ 1 minute read ⨳ diy ⨳ iOS ⨳

⨳ Jan 05 ⨳ the positive side of keeping all your eggs in one basket ⨳ 1 minute read ⨳ sas ⨳ tip ⨳

2011

⨳ Dec 11 ⨳ tweetbot ⨳ 1 minute read ⨳ iOS ⨳

⨳ Dec 04 ⨳ free app idea ⨳ 1 minute read ⨳ iOS ⨳

⨳ Oct 12 ⨳ Western Users of SAS Software 2011 ⨳ 1 minute read ⨳ api ⨳ conference ⨳ sas ⨳ sas macro ⨳

⨳ Sep 22 ⨳ dates in datetime fields ⨳ 1 minute read ⨳ date values ⨳ sas ⨳

⨳ Sep 14 ⨳ continue-looping ⨳ 1 minute read ⨳ do loop ⨳ sas ⨳

⨳ Sep 06 ⨳ returning a well-formatted date-time ⨳ 1 minute read ⨳ bash ⨳ macOS ⨳

⨳ Apr 25 ⨳ the VVALUE function--like a quick PUT function ⨳ 1 minute read ⨳ sas ⨳ tip ⨳

⨳ Mar 07 ⨳ label carryover ⨳ 1 minute read ⨳ sas ⨳ tip ⨳

⨳ Feb 08 ⨳ month of quarter variable ⨳ 1 minute read ⨳ date values ⨳ format ⨳ sas ⨳

⨳ Jan 26 ⨳ how do i read a file's creation date? ⨳ 1 minute read ⨳ file system ⨳ sas ⨳

2010

⨳ Feb 15 ⨳ the vertical app listing ⨳ 2 minute read ⨳ iOS ⨳

⨳ Feb 04 ⨳ prxparse(dates) ⨳ 1 minute read ⨳ date values ⨳ regex ⨳ sas ⨳

2009

⨳ Nov 09 ⨳ the utility of generic macros ⨳ 2 minute read ⨳ sas ⨳ sas macro ⨳

⨳ Oct 20 ⨳ an mmddyyyy hhmmss informat. kinda. ⨳ 1 minute read ⨳ date values ⨳ informats ⨳ sas ⨳

⨳ Jul 15 ⨳ random dates ⨳ 1 minute read ⨳ date values ⨳ do loop ⨳ sas ⨳

⨳ Jul 10 ⨳ calculating average time (duration) ⨳ 2 minute read ⨳ datetime values ⨳ sas ⨳

⨳ Jul 08 ⨳ %d: a handy little macro for dynamic dating ⨳ 2 minute read ⨳ date values ⨳ function ⨳ sas ⨳ sas macro ⨳

⨳ Jun 01 ⨳ encoding data points for use with google charts api calls ⨳ 1 minute read ⨳ api ⨳ data visualization ⨳ sas ⨳

⨳ May 19 ⨳ reading overlapping text segments ⨳ 2 minute read ⨳ sas ⨳ web scraping ⨳

⨳ May 11 ⨳ reading non-standard datetime values ⨳ 1 minute read ⨳ datetime values ⨳ sas ⨳

⨳ May 06 ⨳ reading iso dates and datetimes ⨳ 1 minute read ⨳ datetime values ⨳ sas ⨳

⨳ Apr 28 ⨳ frustrations with dashboarding in sas 9.1.3 ⨳ 2 minute read ⨳ dashboard ⨳ sas ⨳

⨳ Apr 23 ⨳ a sudden spike ⨳ 1 minute read ⨳ meta ⨳

⨳ Mar 22 ⨳ SAS Global Forum 2009 ⨳ 1 minute read ⨳ conference ⨳ sas ⨳ sas macro ⨳

⨳ Feb 25 ⨳ %expExcel ⨳ 1 minute read ⨳ sas ⨳ sas macro ⨳

⨳ Jan 25 ⨳ sas variable lists ⨳ 3 minute read ⨳ tip ⨳

⨳ Jan 14 ⨳ scraping the sas training pages ⨳ 3 minute read ⨳ regex ⨳ web scraping ⨳

2008

⨳ Dec 07 ⨳ PROC PWDECODE ⨳ 1 minute read ⨳ hack ⨳ sas ⨳

⨳ Aug 06 ⨳ The Missing Format: QYY ⨳ 1 minute read ⨳ format ⨳ sas ⨳

⨳ Jun 18 ⨳ Wiping USB Drives ⨳ 1 minute read ⨳ sas ⨳ tip ⨳

⨳ Mar 16 ⨳ SAS Global Forum 2008 ⨳ 2 minute read ⨳ conference ⨳ sas ⨳ sas macro ⨳

⨳ Jan 24 ⨳ Autosave My Day ⨳ 1 minute read ⨳ sas ⨳ tip ⨳

⨳ Jan 16 ⨳ The Ugly Truth About Call Execute ⨳ 2 minute read ⨳ sas ⨳ sas macro ⨳

2007

⨳ Dec 22 ⨳ Let That Be a Lesson to 'Ya! ⨳ 1 minute read ⨳ sas ⨳ tip ⨳

⨳ Dec 21 ⨳ Converting YYYYMMDD-Type Integer to SAS Date Values ⨳ 1 minute read ⨳ date values ⨳ sas ⨳

⨳ Nov 09 ⨳ What's the Point of This? ⨳ 2 minute read ⨳ array ⨳ do loop ⨳ rant ⨳ sas ⨳

⨳ Nov 08 ⨳ iTunes XML Parser ⨳ 1 minute read ⨳ sas ⨳ xml ⨳

⨳ Oct 07 ⨳ SAShboards = Dashboards in SAS? ⨳ 1 minute read ⨳ dashboard ⨳ sas ⨳ tutorial ⨳

⨳ Oct 06 ⨳ Calculating Period-to-Period Changes in SAS ⨳ 1 minute read ⨳ date values ⨳ sas ⨳

⨳ Sep 17 ⨳ Pacific Northwest SAS Users Group 2007 ⨳ 2 minute read ⨳ conference ⨳ sas ⨳ sas macro ⨳

⨳ Sep 14 ⨳ ZipsNear ⨳ 1 minute read ⨳ sampling ⨳ sas ⨳ sas macro ⨳

2006

⨳ Mar 26 ⨳ SAS User Group International 31 ⨳ 2 minute read ⨳ conference ⨳ sas ⨳

2005

⨳ May 01 ⨳ Using the ACT to Predict College Graduation ⨳ 1 minute read ⨳ research ⨳ statistics ⨳

2002

⨳ Oct 01 ⨳ Science, Technology, & Engineering Preview Summer (STEPS) 2002: Summative Report ⨳ 1 minute read ⨳ research ⨳

⨳ Sep 01 ⨳ UW-Stout Journal of Student Research Volume 2: Alcohol and Other Drug Perceptions Survey ⨳ 1 minute read ⨳ research ⨳

⨳ Apr 26 ⨳ UW-Stout Research Day ⨳ 1 minute read ⨳ research ⨳

⨳ Apr 01 ⨳ UW-Stout Journal of Student Research Volume 1: The Relationship between Perceived Organizational Justice and Organizational Citizenship Behaviors: A Review of the Literature ⨳ 1 minute read ⨳ research ⨳

2000

⨳ Dec 01 ⨳ The Relationship Between Job Satisfaction and Job Performance ⨳ 1 minute read ⨳ research ⨳