
\begin{tikzpicture}[scale=0.65]
    \begin{axis}[
        xlabel=$\lambda_r$,
        xtick={0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7},
        xticklabels={0, 0.1, 0.2, 0.5, 1, 2, 5},
        width=5cm,
        height=4cm,
        y tick label style={
            /pgf/number format/.cd,
            fixed,
            fixed zerofill,
            precision=2,
            /tikz/.cd
        },
        ymin=14.2,
        ymax=14.4,
        x tick label style={rotate=45},
        legend style={font=\small},
        ylabel=\textbf{Recall@10},
        y label style={at={(0.75, 1.03)},rotate=270,anchor=south east},
        x label style={at={(1.2, -0.1)}, anchor=south east},
        ytick distance = 0.05,
        grid=major,
        grid style=dashed,
        ]
        \addplot[mark=square*,blue] 
          coordinates{
            (0.1, 14.37) (0.2, 14.37) (0.3, 14.37) (0.4, 14.35) (0.5, 14.38) (0.6, 14.35) (0.7, 14.21)
        };
    \end{axis}
\end{tikzpicture}\hspace{5mm}
\begin{tikzpicture}[scale=0.65]
    \begin{axis}[
        xlabel=$\lambda_r$,
        xtick={0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7},
        xticklabels={0, 0.1, 0.2, 0.5, 1, 2, 5},
        width=5cm,
        height=4cm,
        y tick label style={
            /pgf/number format/.cd,
            fixed,
            fixed zerofill,
            precision=2,
            /tikz/.cd
        },
        ymin=12.9,
        ymax=13.2,
        x tick label style={rotate=45},
        legend style={font=\small},
        ylabel=\textbf{NDCG@10},
        y label style={at={(0.75, 1.03)},rotate=270,anchor=south east},
        x label style={at={(1.2, -0.1)}, anchor=south east},
        ytick distance = 0.1,
        grid=major,
        grid style=dashed,
        ]
        \addplot[mark=triangle*,red]
          coordinates{
            (0.1, 13.11) (0.2, 13.1) (0.3, 13.12) (0.4, 13.14) (0.5, 13.13) (0.6, 13.05) (0.7, 12.92)
        };
    \end{axis}
\end{tikzpicture}