Jacob jacoblyles

Missing Bowl Events: Equipment Regression Analysis

Summary

We analyzed the relationship between center equipment configuration and the rate of missing bowl events across 155 centers over the last month. Scoring hardware generation is the dominant predictor of missing bowl events, explaining ~92% of the variance. Centers running legacy (pre-BES X) scoring hardware experience missing event rates of 25-72%, while centers on current-generation BES X hardware consistently show rates below 1%.

Methodology

Dependent variable: Percent of completed games with missing bowl events per center (logit-transformed to handle the bounded 0-100% range)
Independent variables: Conqueror version (bucketed), scoring hardware, pinsetter manufacturer/model

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Installing Electrum on an air-gapped Ubuntu Machine

This guide shows how to install Electrum on an air-gapped machine. You will also need an Ubuntu machine connected to the network in order to complete this guide (it can be a virtual machine).

On the online machine

If you are running Ubuntu 16.04 off of a live USB, there is a bug that affects the package manager. You need to run these two commands at the terminal to fix it:

$ sudo mv /var/cache/app-info/xapian/default /var/cache/app-info/xapian/default_old

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