[WIP] Handle missing values - #153

Draft

palday wants to merge 8 commits into

JuliaStats:masterfrom

palday:missing

Commits on Sep 24, 2019

missing values for continuous don't lead to categorical
palday
committed
a31e4ee

Commits on Sep 25, 2019

local copy() that handles Missing but otherwise defaults to Base.copy()
palday
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1f64fee
don't bother with deepcopy for missing, just return the singleton
palday
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2c22fd8
tests for continuous terms with missing values
palday
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3a2e255
typo
palday
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aae7899
rework getindex for contrast matrices to handle missing values
palday
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12f3874
omit missing data after schema application
palday
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a799919

Commits on Oct 13, 2020

Merge branch 'master' of github.com:JuliaStats/StatsModels.jl into missing
palday
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00c9f26