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\pgfplotsset{
compat=1.11,
legend image code/.code={
\draw[mark repeat=2,mark phase=2]
plot coordinates {
(0cm,0cm)
(0.0cm,0cm) %% default is (0.3cm,0cm)
(0.0cm,0cm) %% default is (0.6cm,0cm)
};%
}
}
\begin{figure}
\begin{subfigure}[b]{\textwidth}
\begin{tikzpicture}
\begin{axis}[tick style = {draw = none}, width = \textwidth,
height = 0.6\textwidth, ymin = 0.92, legend style={at={(0.9825,0.75)},anchor=north east},
xlabel = {epoch}, ylabel = {Classification Accuracy}]
\addplot table
[x=epoch, y=val_accuracy, col sep=comma, mark = none]
{Plots/Data/adagrad.log};
\addplot table
[x=epoch, y=val_accuracy, col sep=comma, mark = none]
{Plots/Data/adadelta.log};
\addplot table
[x=epoch, y=val_accuracy, col sep=comma, mark = none]
{Plots/Data/adam.log};
\addlegendentry{\footnotesize{ADAGRAD}}
\addlegendentry{\footnotesize{ADADELTA}}
\addlegendentry{\footnotesize{ADAM}}
\addlegendentry{SGD$_{0.01}$}
\end{axis}
\end{tikzpicture}
%\caption{Classification accuracy}
\end{subfigure}
\begin{subfigure}[b]{\textwidth}
\begin{tikzpicture}
\begin{axis}[tick style = {draw = none}, width = \textwidth,
height = 0.6\textwidth, ymax = 0.5,
xlabel = {epoch}, ylabel = {Error Measure\vphantom{y}},ytick ={0,0.1,0.2,0.3,0.4,0.45,0.5}, yticklabels =
{0,0.1,0.2,0.3,0.4,\phantom{0.94},0.5}]
\addplot table
[x=epoch, y=val_loss, col sep=comma, mark = none] {Plots/Data/adagrad.log};
\addplot table
[x=epoch, y=val_loss, col sep=comma, mark = none] {Plots/Data/adadelta.log};
\addplot table
[x=epoch, y=val_loss, col sep=comma, mark = none] {Plots/Data/adam.log};
\addlegendentry{\footnotesize{ADAGRAD}}
\addlegendentry{\footnotesize{ADADELTA}}
\addlegendentry{\footnotesize{ADAM}}
\addlegendentry{SGD$_{0.01}$}
\end{axis}
\end{tikzpicture}
\caption{Performance metrics during training}
\end{subfigure}
\\~\\
\begin{subfigure}[b]{1.0\linewidth}
\begin{tabu} to \textwidth {@{} *3{X[c]}c*3{X[c]} @{}}
\multicolumn{3}{c}{Classification Accuracy}
&~&\multicolumn{3}{c}{Error Measure}
\\\cline{1-3}\cline{5-7}
ADAGRAD&ADADELTA&ADAM&&ADAGRAD&ADADELTA&ADAM
\\\cline{1-3}\cline{5-7}
1&1&1&&1&1&1
\end{tabu}
\caption{Performace metrics after 20 epochs}
\end{subfigure}
\caption{Classification accuracy on the test set and ...Performance metrics of the network given in ... trained
with different optimization algorithms}
\end{figure}
%%% Local Variables:
%%% mode: latex
%%% TeX-master: "../main"
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