Issue with introductory example

[rahulunair]

There is an issue when we are passing StaticInt to randn (See below stack trace), the fix could be multiplying with 1. I am pushing a patch for the same, kindly let me know if that fix is good enough. I am able to run the example with that change.

julia> p = randn(SimpleChains.numparam(schain))
ERROR: MethodError: no method matching randn(::Static.StaticInt{216})
Closest candidates are:
  randn() at /usr/local/bin/julia-1.7.3/share/julia/stdlib/v1.7/Random/src/normal.jl:38
  randn(::Integer...) at /usr/local/bin/julia-1.7.3/share/julia/stdlib/v1.7/Random/src/normal.jl:244
  randn(::Tuple{Vararg{Int64, N}} where N) at /usr/local/bin/julia-1.7.3/share/julia/stdlib/v1.7/Random/src/normal.jl:243
  ...
Stacktrace:
 [1] top-level scope
   @ REPL[28]:1

[chriselrod]

It should be using init_patams instead

[rahulunair]

Hi @chriselrod , thank you for the comment, I have updated the PR, kindly review and let me know if it makes sense.