[R] Problems loading lme4

[Sarah Brennenstuhl]

Hi there!

I having a problem loading lme4. When I try to load the package I get the following error message:

Error : object 'sigma' is not exported by 'namespace:stats'
In addition: Warning message:
package 'lme4' was built under R version 3.3.0
Error: package or namespace load failed for 'lme4'

Any suggestions for resolving this problem?

Thanks,

Sarah

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