title: Cannot install rstatix package
body: <p>I tried to install the "rstatix" package but kept receiving the error message as below. I tried to change it to <code>dependencies =TRUE</code> but still had the same error message. </p>
  
  <blockquote>
    <p>install.packages("rstatix", dependencies = FALSE)
    installing the source package ‘rstatix’</p>
    
    <p>trying URL '<a href="https://cran.rstudio.com/src/contrib/rstatix_0.4.0.tar.gz" rel="nofollow noreferrer">https://cran.rstudio.com/src/contrib/rstatix_0.4.0.tar.gz</a>'</p>
    
    <h1>Content type 'application/x-gzip' length 384450 bytes (375 KB)</h1>
    
    <p>downloaded 375 KB</p>
    
    <p>Warning in strptime(xx, f &lt;- "%Y-%m-%d %H:%M:%OS", tz = tz) :
      unknown timezone 'zone/tz/2019c.1.0/zoneinfo/Australia/Sydney'
    ERROR: dependency ‘car’ is not available for package ‘rstatix’
    * removing ‘/Library/Frameworks/R.framework/Versions/3.4/Resources/library/rstatix’
    Warning in install.packages :
      installation of package ‘rstatix’ had non-zero exit status</p>
  </blockquote>
  
  <p>Any help appreciated.</p>