# Custom c++ using cmdstanr?

**URL:** <https://discourse.mc-stan.org/t/custom-c-using-cmdstanr/19528>\
**Category:** CmdStan\
**Tags:** cmdstanr\
**Created:** [November 27, 2020, 10:41pm UTC](https://discourse.mc-stan.org/t/custom-c-using-cmdstanr/19528 "2020-11-27T22:41:06Z")\
**Posts on this page:** 1\
**Showing post:** 12

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**Author:** ![rok\_cesnovar](https://avatars.discourse-cdn.com/v4/letter/r/7bcc69/32.png) [@rok\_cesnovar](https://discourse.mc-stan.org/u/rok_cesnovar)\
**Post date:** [October 8, 2021, 5:58pm UTC](https://discourse.mc-stan.org/t/custom-c-using-cmdstanr/19528/12 "2021-10-08T17:58:52Z")

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Hey!

See this comment [Hoping for some guidance / help with implementing custom log likelihood and gradient for research project (details below) - #14 by rok\_cesnovar](https://discourse.mc-stan.org/t/hoping-for-some-guidance-help-with-implementing-custom-log-likelihood-and-gradient-for-research-project-details-below/24598/14)

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