parameter_spaces.md
In optimizeR: Unified Framework for Numerical Optimizers

Gaussian mixture model parameter spaces work

Code
  print(normal_mixture_spaces, show_transformer = TRUE)
Message

  -- Optimization Space <numeric(5)> ---------------------------------------------
Output

   [1:2] mu    
   [3:4] sd    
   [5:5] lambda
Message

  -- Transformation to Interpretation Space: 
Output

   mu     x                          
   sd     exp(x)                     
   lambda c(plogis(x), 1 - plogis(x))
Message

  -- Interpretation Space <list(3)> ----------------------------------------------
Output

   [[1]] mu    
   [[2]] sd    
   [[3]] lambda
Message

  -- Transformation to Optimization Space: 
Output

   mu     x           
   sd     log(x)      
   lambda qlogis(x[1])

Probit parameter spaces work

Code
  print(probit_parameter, TRUE)
Message

  -- Optimization Space <numeric(12)> --------------------------------------------
Output

   [1:3]   b    
   [4:9]   Omega
   [10:12] Sigma
Message

  -- Transformation to Interpretation Space: 
Output

   b     x                                     
   Omega oeli::chol_to_cov(x)                  
   Sigma oeli::undiff_cov(oeli::chol_to_cov(x))
Message

  -- Interpretation Space <list(3)> ----------------------------------------------
Output

   [[1]] b    
   [[2]] Omega
   [[3]] Sigma
Message

  -- Transformation to Optimization Space: 
Output

   b     as.vector(x)                        
   Omega oeli::cov_to_chol(x)                
   Sigma oeli::cov_to_chol(oeli::diff_cov(x))

Parameter spaces with zero length parameter work

Code
  print(zero_parameter_spaces, show_transformer = TRUE)
Message

  -- Optimization Space <numeric(2)> ---------------------------------------------
Output

   [1:1]  x
   [NULL] y
   [2:2]  z
Message

  -- Transformation to Interpretation Space: 
Output

   x x          
   y c("A", "B")
   z x          
Message

  -- Interpretation Space <list(3)> ----------------------------------------------
Output

   [[1]] x
   [[2]] y
   [[3]] z
Message

  -- Transformation to Optimization Space: 
Output

   x as.vector(x)
   y c()         
   z as.vector(x)