Open nilshg opened 7 months ago
This is sort of self-assigned:
julia> using FixedEffectModels, DataFrames julia> df = DataFrame(y=rand(10), id = rand(1:2, 10), t = rand(1:2, 10)); julia> predict(reg(df, @formula(y ~ fe(id) + fe(t)), save = :fe), df) ERROR: ArgumentError: collection must be non-empty Stacktrace: [1] first(itr::@NamedTuple{}) @ Base .\abstractarray.jl:470 [2] missing_omit(d::@NamedTuple{}) @ StatsModels C:\Users\ngudat\.julia\packages\StatsModels\syVEq\src\modelframe.jl:57 [3] missing_omit(data::@NamedTuple{y::Vector{Float64}, id::Vector{Int64}, t::Vector{Int64}}, formula::MatrixTerm{Tuple{InterceptTerm{false}}}) @ StatsModels C:\Users\ngudat\.julia\packages\StatsModels\syVEq\src\modelframe.jl:70 [4] predict(m::FixedEffectModel, data::DataFrame) @ FixedEffectModels C:\Users\ngudat\.julia\packages\FixedEffectModels\9B0we\src\FixedEffectModel.jl:142 [5] top-level scope @ REPL[34]:1 julia> predict(reg(df, @formula(y ~ id + fe(t)), save = :fe), df) 10-element Vector{Float64}: (...)
a workaround is to add a column of ones:
df.x .= 1 reg(@formula(y ~ -1 + x + fe(id) + fe(t))
but that's clearly not ideal.
This is sort of self-assigned:
a workaround is to add a column of ones:
but that's clearly not ideal.