# \#linear-correlation
**URL:** https://uqworld.org/tag/linear-correlation/53.md
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## [RBDO correlated design variables](https://uqworld.org/t/rbdo-correlated-design-variables/623)
**Author:** [@Soheil\_Radfar](https://uqworld.org/u/Soheil_Radfar)\
**Replies:** 7\
**Last updated:** [November 21, 2020, 10:05am UTC](https://uqworld.org/t/rbdo-correlated-design-variables/623 "2020-11-21T10:05:40Z")
Hello I intend to optimize a structure in which some design variables are correlated. Is it possible to consider the correlation between design variables in the RBDO with UQLab? Best Regards, Soheil
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## [Problem with Bayesian linear regression](https://uqworld.org/t/problem-with-bayesian-linear-regression/881)
**Author:** [@Soheil\_Radfar](https://uqworld.org/u/Soheil_Radfar)\
**Replies:** 2\
**Last updated:** [October 7, 2020, 4:09pm UTC](https://uqworld.org/t/problem-with-bayesian-linear-regression/881 "2020-10-07T16:09:32Z")
Hi all, I encountered a problem in performing regression analysis. The model I am going to run has 9 inputs, but when I run the program, the functions that contain the first 5 inputs are executed, but the functions that…
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## [Linear correlation, dependence, copulas, Nataf distribution and all that stuff](https://uqworld.org/t/linear-correlation-dependence-copulas-nataf-distribution-and-all-that-stuff/493)
**Author:** [@bsudret](https://uqworld.org/u/bsudret)\
**Replies:** 0\
**Last updated:** [February 7, 2020, 8:11am UTC](https://uqworld.org/t/linear-correlation-dependence-copulas-nataf-distribution-and-all-that-stuff/493 "2020-02-07T08:11:06Z")
Hello everyone I started to answer a question about linear correlation for non Gaussian random variables on the forum, and it became rather long. So I decided to move it into this section and I tried to make it comprehe…