begin{frame}{Categorical to Normal}
begin{itemize}
item Create thresholds in standard normal based on frequencies of categorical
item Sample a few (5) points for each categorical value in the threshold
end{itemize}
begin{tikzpicture}[node distance = 2.5cm, auto]
node [whiteblock] (cat) {Categorical};
node [whiteblock, right of=cat] (freq) {Frequencies};
node [whiteblock, right of=freq] (thresh) {Thresholds};
node [whiteblock, right of=thresh] (samp) {Sample Continuous};

node [block, below of=cat] (catr) {A;A;B;C};
node [block, right of=catr] (freqr) {A: 0.5, B: 0.25, C: 0.25};
node[inner sep=1pt, right of=freqr](threshr)
    {
begin{axis}[no markers, domain=-2:2, samples=100, xlabel=empty, ylabel=empty,
axis lines*=left,
height=3cm, width=4cm,
xticklabels={A,B,C},
ytick=empty,
enlargelimits=false, clip=false, axis on top,
grid = major]
addplot [fill=cyan!20, draw=none, domain=-2:0] {gauss(0,1)} closedcycle;
addplot [fill=orange!20, draw=none, domain=0:1] {gauss(0,1)} closedcycle;
addplot [fill=red!20, draw=none, domain=1:2] {gauss(0,1)} closedcycle;
end{axis}
    };
node [block, right of=threshr] (sampr) {Sample Continuous};

path [line] (cat) -- (freq);
path [line] (freq) -- (thresh);
path [line] (thresh) -- (samp);

path [line] (freqr) -- (threshr);
end{tikzpicture}
end{frame}