Ollie – InfoComm

AQL: Definition and How It Works.

July 10, 2023 by Ollie

AQL: What It Is and How It Works How many levels are in AQL? AQL has four levels: 1. Level 1: All sampled units must meet the requirements specified for the characteristic. 2. Level 2: No more than 1% of the sampled units may be defective. 3. Level 3: No more than 2.5% of the … Read more

Autoregressive Integrated Moving Average (ARIMA).

October 25, 2022 by Ollie

An ARIMA model is a generalization of an autoregressive moving average (ARMA) model. An ARIMA model can be viewed as a special case of a regression model where the dependent variable is the difference between two consecutive observations. The ARIMA model is a generalization of the ARMA model which allows for the modeling of data … Read more