Package: VGAMextra
Check: examples
New result: ERROR
  Running examples in ‘VGAMextra-Ex.R’ failed
  The error most likely occurred in:
  
  > base::assign(".ptime", proc.time(), pos = "CheckExEnv")
  > ### Name: Q.reg
  > ### Title: Conditional quantile regression with 'VGAM'
  > ### Aliases: Q.reg
  > 
  > ### ** Examples
  > 
  >    
  >   ###  Quantile regression with data distributed as Maxwell(s)  ###
  >    set.seed(12073)
  >    x2 <- seq(0, 100,length.out = 100)       # independent variable
  >    b0 <- 0.5                                # true intercept
  >    b1 <- 0.25                               # true slope
  >    b2 <- 0.02                               # true second order coef.
  >    alpha <- b0 + b1 * x2 + b2 * x2^2        # Quadratically modelling the parameters
  >    nn <- 100                                # Sample size
  >   
  >    # The data as a data frame. #
  >    mdata <- data.frame(y = rmaxwell(n = nn, rate = alpha), x2 = x2, x3 = x2^2)
  >    
  >    # Quantile regression using our link function maxwellQlink(). #
  >    # Quantiles 25%, 50%, 75% are of interest #
  >    my.p <- c(0.25, 0.50, 0.75)
  >    
  >    fit <- vglm(Q.reg(y, pvector = my.p) ~ x2 + x3, 
  +    
  +   # OPTIONALLY Q.reg(y, length = length(my.p)) ~ x2 + x3
  +    
  +               maxwell(link = maxwellQlink(p = my.p)), 
  +               data = mdata,  trace = TRUE, crit = "coef")
  Error in maxwellQlink(p = my.p) : 
    argument "theta" is missing, with no default
  Calls: vglm -> maxwell -> maxwellQlink
  Execution halted