lyses. Calculates 
   statistics from all values, unless specified. Function will calculate using all values in 'Values' column (no grouped analysis). 
   Analysis methodology replicates that from HEC-SSP. Returns a list of
   tibbles and plots."><!-- mathjax --><script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script><script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/config/T