overlay - One script using packages that are incompatible with one version of R -


i analysing movement data using script provided lascelles et al (2016) in paper "applying global criteria tracking data define important areas marine conservation". have made changes , additions script , face problem different packages needed not work within same version of r.

i using package "trip" can see works >=3.2.5 depends on spatstat works >=3.3.0. script uses overlay function "sp" package, function has been deprecated, in order run needs older version of r (i have used version 3.0.3.

is there way use multiple versions of r within same project, or have rewrite script avoid using functions not work within same r version?

if don't need of new functions/features introduced in later versions of trip , spatstat think can use checkpoint package , install versions earlier date. there a nice vignette can have at, like:

install.packages("checkpoint") library(checkpoint) checkpoint("2016-01-01")

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