Mostrando números ímpares

Question

Como posso mostrar os números ímpares no xticklabels?

CÓDIGO:

\documentclass[margin=3mm]{standalone}
\usepackage[english,spanish]{babel}         % multilenguaje
\usepackage{pgfplots}
\usetikzlibrary{babel,
    positioning}
\pgfplotsset{compat=1.16,width=0.98\linewidth}



\usepackage{filecontents}
\begin{filecontents}{performance.data}
    x    A       B         C        D        E         F 
    0.01 0.9126  0.9126   0.9313   0.9494   0.9524   0.9462 
    0.02 0.8872  0.8872   0.8980   0.9044   0.9014   0.8966
    0.03 0.8713  0.8713   0.8747   0.8767   0.8737   0.8722
    0.05 0.8549  0.8549   0.8552   0.8541   0.8538   0.8532
    0.09 0.8710  0.8710   0.8700   0.8687   0.8676   0.8667
    0.10 0.8782  0.8782   0.8771   0.8751   0.8740   0.8738
    0.20 0.9301  0.9301   0.9281   0.9275   0.9269   0.9271
\end{filecontents}
\decimalpoint


\begin{document}
    \begin{tikzpicture}
    \begin{axis}[
    grid = none,
    legend style={at={(0.97,0.03)}, anchor=south east, draw=black},
%   legend cell align=left,         
%   legend pos=north east,
    xmin=0.000499999999999999, xmax=0.2095,
    ylabel={RMSE},
    xlabel={$\lambda$},
    %
    xticklabel style={font=\small,
        /pgf/number format/fixed},  
    yticklabel style={font=\small},
    %
    every axis plot post/.append style={line width=1.2pt},
    %
    mark size=1.3pt,
    cycle list={
        {blue,mark=*},
        {black,mark=*},
        {red,mark=*},
        {green,mark=*},
        {orange,mark=*},
        {cyan,mark=*},% <-- don't add a comma here
    },
    ]
    \addplot    table [y=A] {performance.data};
    \addlegendentry{20 f}
    \addplot    table [y=B] {performance.data};
    \addlegendentry{40 f}
    \addplot    table [y=C] {performance.data};
    \addlegendentry{60 f}
    \addplot    table [y=D] {performance.data};
    \addlegendentry{100 f}
    \addplot    table [y=E] {performance.data};
    \addlegendentry{150 f}
    \addplot    table [y=F] {performance.data};
    \addlegendentry{200 f}
    \end{axis}
    \end{tikzpicture}
\end{document}

Answer 1

Convertendo comentário em resposta.

Você pode mencionar xticksmanualmente assim:

xtick={0.01,0.03,...,0.20},

para que apenas os ticks ímpares sejam mostrados.

Resultado:

\documentclass[margin=3mm]{standalone}
\usepackage[english,spanish]{babel}         % multilenguaje
\usepackage{pgfplots}
\usetikzlibrary{babel,positioning}
\pgfplotsset{compat=1.16,width=0.98\linewidth}
\usepackage{filecontents}
\begin{filecontents}{performance.data}
    x    A       B         C        D        E         F 
    0.01 0.9126  0.9126   0.9313   0.9494   0.9524   0.9462 
    0.02 0.8872  0.8872   0.8980   0.9044   0.9014   0.8966
    0.03 0.8713  0.8713   0.8747   0.8767   0.8737   0.8722
    0.05 0.8549  0.8549   0.8552   0.8541   0.8538   0.8532
    0.09 0.8710  0.8710   0.8700   0.8687   0.8676   0.8667
    0.10 0.8782  0.8782   0.8771   0.8751   0.8740   0.8738
    0.20 0.9301  0.9301   0.9281   0.9275   0.9269   0.9271
\end{filecontents}
\decimalpoint


\begin{document}
    \begin{tikzpicture}
    \begin{axis}[
    grid = none,
    legend style={at={(0.97,0.03)}, anchor=south east, draw=black},
%   legend cell align=left,         
%   legend pos=north east,
    xmin=0.000499999999999999, xmax=0.2095,
    ylabel={RMSE},
    xlabel={$\lambda$},
    %
    xtick={0.01,0.03,...,0.20},
    xticklabel style={font=\small,
        /pgf/number format/fixed},  
    yticklabel style={font=\small},
    %
    every axis plot post/.append style={line width=1.2pt},
    %
    mark size=1.3pt,
    cycle list={
        {blue,mark=*},
        {black,mark=*},
        {red,mark=*},
        {green,mark=*},
        {orange,mark=*},
        {cyan,mark=*},% <-- don't add a comma here
    },
    ]
    \addplot    table [y=A] {performance.data};
    \addlegendentry{20 f}
    \addplot    table [y=B] {performance.data};
    \addlegendentry{40 f}
    \addplot    table [y=C] {performance.data};
    \addlegendentry{60 f}
    \addplot    table [y=D] {performance.data};
    \addlegendentry{100 f}
    \addplot    table [y=E] {performance.data};
    \addlegendentry{150 f}
    \addplot    table [y=F] {performance.data};
    \addlegendentry{200 f}
    \end{axis}
    \end{tikzpicture}
\end{document}