Tree with aligned matrix

A probability tree with an aligned matrix listing the possible outcomes, their probabilities and three columns for events described in later tasks. It uses the graphdrawing library and requires LuaLaTeX.

Tree with aligned matrix

% !TeX lualatex
\documentclass[tikz,border=0.5cm]{standalone}
\usetikzlibrary{graphs,graphdrawing,quotes,matrix,calc}
\usegdlibrary{trees}
\begin{document}
\begin{tikzpicture}
\graph [tree layout,
grow=right,
level distance=20mm,
sibling distance=10mm,
edge quotes={auto,
node font=\footnotesize,
inner sep=1pt,
outer sep=2pt,
shape=circle}
]
{
root [as=,inner sep=0pt] -> {
NR [> "0.8"{',blue,draw}, as=$\bar{R}$] -> {
T2 [> "0.9"{',blue,draw}, as=$T$] -> {
NRTNZ [>"0.4"', as=$\bar{Z}$],
NRTZ [>"0.6" {blue,draw}, as=$Z$]
},
D2 [> "0.1", as=$D$] -> {
NRDNZ [>"0.5"', as=$\bar{Z}$],
NRDZ [>"0.5", as=$Z$]
}
},
R [> "0.2", as=$R$] -> {
T1 [> "0.25"', as=$T$] -> {
RTNZ [>"0.4"', as=$\bar{Z}$],
RTZ [>"0.6" {blue,draw}, as=$Z$]
},
D1 [> "0.75" {blue,draw}, as=$D$] -> {
RDNZ [>"0.9"', as=$\bar{Z}$],
RDZ [>"0.1" {blue,draw}, as=$Z$]
}
}
 
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