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December 12, 2019 09:27
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{ | |
"cells": [ | |
{ | |
"cell_type": "code", | |
"execution_count": 1, | |
"metadata": {}, | |
"outputs": [ | |
{ | |
"name": "stderr", | |
"output_type": "stream", | |
"text": [ | |
"┌ Warning: Environment variable CMDSTAN_HOME not set. Use set_cmdstan_home!.\n", | |
"└ @ CmdStan /home/aakhmetz/.julia/packages/CmdStan/Ohkw8/src/CmdStan.jl:27\n" | |
] | |
} | |
], | |
"source": [ | |
"using CmdStan" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 2, | |
"metadata": {}, | |
"outputs": [ | |
{ | |
"data": { | |
"text/plain": [ | |
"\"/tmp/jl_bjO0OI\"" | |
] | |
}, | |
"execution_count": 2, | |
"metadata": {}, | |
"output_type": "execute_result" | |
} | |
], | |
"source": [ | |
"set_cmdstan_home!(homedir() * \"/cmdstan-git/\")\n", | |
"prjdir = dirname(@__DIR__)\n", | |
"tmpdir = mktempdir()" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 3, | |
"metadata": {}, | |
"outputs": [ | |
{ | |
"data": { | |
"text/plain": [ | |
"(1000, 1000, 4)" | |
] | |
}, | |
"execution_count": 3, | |
"metadata": {}, | |
"output_type": "execute_result" | |
} | |
], | |
"source": [ | |
"nwarmup, nsamples, nchains = 1000, 1000, 4" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 4, | |
"metadata": {}, | |
"outputs": [ | |
{ | |
"data": { | |
"text/plain": [ | |
"\"\\ndata {\\n int<lower = 1> J; // number of cases\\n real<lower = 0> onset_day_reported[J]; //day of illness onset\\n}\\n\\nparameters {\\n real<lower = 0> incubation[J];\\n\\n real mu;\\n real<lower = 0> sigma;\\n}\\n\\nmodel {\\n mu ~ normal(0, 5);\\n sigma ~ cauchy(0, 5);\\n\\n incubation ~ lognormal(mu,sigma);\\n\\n for (j in 1:J) {\\n target += normal_lpdf(incubation[j] | onset_day_reported[j]+0.5, 0.5);\\n }\\n\\n\\n}\\n\\ngenerated quantities {\\n real incubation_mean = exp(mu+sigma^2/2.0);\\n real incubation_sd = sqrt((exp(sigma^2)-1.0)*exp(2.0*mu+sigma^2));\\n}\\n\"" | |
] | |
}, | |
"execution_count": 4, | |
"metadata": {}, | |
"output_type": "execute_result" | |
} | |
], | |
"source": [ | |
"stan_code = \"\n", | |
"data {\n", | |
" int<lower = 1> J; // number of cases\n", | |
" real<lower = 0> onset_day_reported[J]; //day of illness onset\n", | |
"}\n", | |
"\n", | |
"parameters {\n", | |
" real<lower = 0> incubation[J];\n", | |
"\n", | |
" real mu;\n", | |
" real<lower = 0> sigma;\n", | |
"}\n", | |
"\n", | |
"model {\n", | |
" mu ~ normal(0, 5);\n", | |
" sigma ~ cauchy(0, 5);\n", | |
"\n", | |
" incubation ~ lognormal(mu,sigma);\n", | |
"\n", | |
" for (j in 1:J) {\n", | |
" target += normal_lpdf(incubation[j] | onset_day_reported[j]+0.5, 0.5);\n", | |
" }\n", | |
"\n", | |
"\n", | |
"}\n", | |
"\n", | |
"generated quantities {\n", | |
" real incubation_mean = exp(mu+sigma^2/2.0);\n", | |
" real incubation_sd = sqrt((exp(sigma^2)-1.0)*exp(2.0*mu+sigma^2));\n", | |
"}\n", | |
"\"" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 7, | |
"metadata": {}, | |
"outputs": [], | |
"source": [ | |
"df_inc = DataFrame(Dict(\"n\" => [1, 5, 7, 9, 17, 18, 16, 6, 8, 10, 7, 1, 2, 4, 4, 1],\n", | |
" \"day\" => [6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 25]))\n", | |
"days_inc = vcat(fill.(df_inc[!,:day],df_inc[!,:n])...);" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 9, | |
"metadata": {}, | |
"outputs": [ | |
{ | |
"data": { | |
"text/plain": [ | |
"Dict{String,Any} with 2 entries:\n", | |
" \"J\" => 116\n", | |
" \"onset_day_reported\" => [6, 7, 7, 7, 7, 7, 8, 8, 8, 8 … 18, 19, 19, 19, 19,…" | |
] | |
}, | |
"execution_count": 9, | |
"metadata": {}, | |
"output_type": "execute_result" | |
} | |
], | |
"source": [ | |
"days_inc = vcat(fill.(df_inc[!,:day],df_inc[!,:n])...)\n", | |
"stan_data = Dict(\"J\" => length(days_inc), \"onset_day_reported\" => days_inc)" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 8, | |
"metadata": {}, | |
"outputs": [ | |
{ | |
"data": { | |
"text/plain": [ | |
"Dict{String,Float64} with 116 entries:\n", | |
" \"incubation[111]\" => 19.5\n", | |
" \"incubation[86]\" => 14.5\n", | |
" \"incubation[87]\" => 14.5\n", | |
" \"incubation[75]\" => 13.5\n", | |
" \"incubation[101]\" => 16.5\n", | |
" \"incubation[57]\" => 11.5\n", | |
" \"incubation[97]\" => 15.5\n", | |
" \"incubation[54]\" => 11.5\n", | |
" \"incubation[77]\" => 13.5\n", | |
" \"incubation[52]\" => 11.5\n", | |
" \"incubation[49]\" => 11.5\n", | |
" \"incubation[12]\" => 8.5\n", | |
" \"incubation[7]\" => 8.5\n", | |
" \"incubation[90]\" => 15.5\n", | |
" \"incubation[35]\" => 10.5\n", | |
" \"incubation[79]\" => 13.5\n", | |
" \"incubation[13]\" => 8.5\n", | |
" \"incubation[74]\" => 13.5\n", | |
" \"incubation[16]\" => 9.5\n", | |
" \"incubation[76]\" => 13.5\n", | |
" \"incubation[27]\" => 10.5\n", | |
" \"incubation[33]\" => 10.5\n", | |
" \"incubation[78]\" => 13.5\n", | |
" \"incubation[10]\" => 8.5\n", | |
" \"incubation[103]\" => 16.5\n", | |
" ⋮ => ⋮" | |
] | |
}, | |
"execution_count": 8, | |
"metadata": {}, | |
"output_type": "execute_result" | |
} | |
], | |
"source": [ | |
"# stan_init = Dict(\"mu\" => 2.5, \"sigma\" => 0.2, \"incubation\" => days_inc .+ 0.5)\n", | |
"stan_init = Dict(\"incubation[$i]\"=>Float64(v+.5) for (i,v) in enumerate(days_inc))" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 10, | |
"metadata": {}, | |
"outputs": [ | |
{ | |
"name": "stdout", | |
"output_type": "stream", | |
"text": [ | |
"\n", | |
"File /tmp/jl_bjO0OI/noname.stan will be updated.\n", | |
"\n" | |
] | |
}, | |
{ | |
"ename": "MethodError", | |
"evalue": "MethodError: Cannot `convert` an object of type Dict{String,Float64} to an object of type Array{Dict{String,Any},1}\nClosest candidates are:\n convert(::Type{Array{T,N}}, !Matched::FillArrays.Zeros{V,N,Axes} where Axes) where {T, V, N} at /home/aakhmetz/.julia/packages/FillArrays/LYCik/src/FillArrays.jl:320\n convert(::Type{Array{T,N}}, !Matched::FillArrays.Ones{V,N,Axes} where Axes) where {T, V, N} at /home/aakhmetz/.julia/packages/FillArrays/LYCik/src/FillArrays.jl:320\n convert(::Type{Array{T,N}}, !Matched::FillArrays.AbstractFill{V,N,Axes} where Axes) where {T, V, N} at /home/aakhmetz/.julia/packages/FillArrays/LYCik/src/FillArrays.jl:312\n ...", | |
"output_type": "error", | |
"traceback": [ | |
"MethodError: Cannot `convert` an object of type Dict{String,Float64} to an object of type Array{Dict{String,Any},1}\nClosest candidates are:\n convert(::Type{Array{T,N}}, !Matched::FillArrays.Zeros{V,N,Axes} where Axes) where {T, V, N} at /home/aakhmetz/.julia/packages/FillArrays/LYCik/src/FillArrays.jl:320\n convert(::Type{Array{T,N}}, !Matched::FillArrays.Ones{V,N,Axes} where Axes) where {T, V, N} at /home/aakhmetz/.julia/packages/FillArrays/LYCik/src/FillArrays.jl:320\n convert(::Type{Array{T,N}}, !Matched::FillArrays.AbstractFill{V,N,Axes} where Axes) where {T, V, N} at /home/aakhmetz/.julia/packages/FillArrays/LYCik/src/FillArrays.jl:312\n ...", | |
"", | |
"Stacktrace:", | |
" [1] Stanmodel(::String, ::Int64, ::Int64, ::Int64, ::Int64, ::Int64, ::String, ::String, ::Array{String,1}, ::Array{Dict{String,Any},1}, ::String, ::Array{Cmd,1}, ::Sample, ::CmdStan.Random, ::Dict{String,Float64}, ::String, ::CmdStan.Output, ::Bool, ::String, ::String, ::Symbol) at /home/aakhmetz/.julia/packages/CmdStan/Ohkw8/src/main/stanmodel.jl:33", | |
" [2] #Stanmodel#3(::String, ::Int64, ::Int64, ::Int64, ::Int64, ::String, ::Array{String,1}, ::Array{Dict{String,Any},1}, ::CmdStan.Random, ::Dict{String,Float64}, ::CmdStan.Output, ::Bool, ::String, ::String, ::Symbol, ::Type{Stanmodel}, ::Sample) at /home/aakhmetz/.julia/packages/CmdStan/Ohkw8/src/main/stanmodel.jl:184", | |
" [3] (::Core.var\"#kw#Type\")(::NamedTuple{(:model, :init, :nchains, :num_warmup, :num_samples, :tmpdir),Tuple{String,Dict{String,Float64},Int64,Int64,Int64,String}}, ::Type{Stanmodel}, ::Sample) at ./none:0 (repeats 2 times)", | |
" [4] top-level scope at In[10]:1" | |
] | |
} | |
], | |
"source": [ | |
"stan_model = Stanmodel(\n", | |
" model = stan_code, \n", | |
" init = stan_init,\n", | |
" nchains = nchains,\n", | |
" num_warmup = nwarmup,\n", | |
" num_samples = nsamples,\n", | |
" tmpdir=tmpdir);\n", | |
"\n", | |
"_, stan_chns, _ = stan(stan_model, stan_data, summary = false);" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": null, | |
"metadata": {}, | |
"outputs": [], | |
"source": [] | |
} | |
], | |
"metadata": { | |
"kernelspec": { | |
"display_name": "Julia 1.3.0", | |
"language": "julia", | |
"name": "julia-1.3" | |
}, | |
"language_info": { | |
"file_extension": ".jl", | |
"mimetype": "application/julia", | |
"name": "julia", | |
"version": "1.3.0" | |
} | |
}, | |
"nbformat": 4, | |
"nbformat_minor": 2 | |
} |
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