# Error: cannot allocate vector of size 703998.9 Gb

**URL:** <https://discourse.mc-stan.org/t/error-cannot-allocate-vector-of-size-703998-9-gb/10740>\
**Category:** Modeling\
**Created:** [September 3, 2019, 5:00am UTC](https://discourse.mc-stan.org/t/error-cannot-allocate-vector-of-size-703998-9-gb/10740 "2019-09-03T05:00:55Z")\
**Posts on this page:** 1\
**Showing post:** 12

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**Author:** ![andrjohns](https://yyz2.discourse-cdn.com/flex030/user_avatar/discourse.mc-stan.org/andrjohns/32/15297_2.png) [@andrjohns](https://discourse.mc-stan.org/u/andrjohns)\
**Post date:** [June 5, 2020, 9:02am UTC](https://discourse.mc-stan.org/t/error-cannot-allocate-vector-of-size-703998-9-gb/10740/12 "2020-06-05T09:02:01Z")

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Have you tried the instructions over in this thread: [R 4.0, rstan, and you](https://discourse.mc-stan.org/t/r-4-0-rstan-and-you/15271)? They should help

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_[View the full topic](https://discourse.mc-stan.org/t/error-cannot-allocate-vector-of-size-703998-9-gb/10740)._