"add-on package" is a correct and usable phrase in written English.
It is commonly used to refer to an additional component or feature that can be added to an existing product or service. Example: The new phone comes with a basic set of apps, but you can purchase an add-on package with more advanced features.
In this paper, we describe an add-on package for the open source statistical package R, designed to compute npde.
It can play DVD movies, too, but only with the help of a low-cost add-on package.
Preliminary analyses to test for statistical differences between north and south sides were computed using the program Primer v6 with the PERMANOVA + add-on package.
This study used RF add-on package with R statistical software.
Linear mixed effects (LME) regression using nlme add-on package [58] in R was used for model fitting.
The analyses were done using the R environment for statistical computing (version 3.1) [14] and the coin add-on package (version 1.1) [15].
The channel is being made available as part of a "Broadcast Extra" bundle – one of Sling's many $5 per month add-on packages that allow users to customize their subscriptions to their own interests.
· Journey Latin America (www.journeylatinamerica.co.uk) has add-on packages for independent travellers.
Its various basic tools for data analysis, graphics, and statistical modeling are supplemented by numerous add-on packages, including packages that are specifically designed for statistical postprocessing.
From £1,070 for two nights for up to 14 people; add-on packages including canoeing and other activities, plus breakfasts and dinner at The River Café also available.
Reaching the limit on your data before the next bill can be frustrating but also expensive, as add-on packages are typically pricey.
