pgfplots - Remove tickmarks on right and top of plot

Hello TEX/PGF/Tikz community,

I have trouble with tikz as I would like to remove the tick marks on the right and on the top of this plot

see the ugly red 'circle' markings in the picture :). I know one can remove the tick marks on both sides but I only want to remove the tick marks on one side. Is there anyone who knows how I can solve this problem. And I would also like to know how I can make the other tick marks smaller.

\documentclass[a4paper, 11 pt]{article}
\usepackage{pgfplots}
\usepackage{tikz}
\newlength{\widthLarger}
\setlength{\widthLarger}{10cm}
\pgfplotsset{compat=1.11,
height=8cm,
width=8cm}% most (standard) used width

\begin{document}
\begin{tikzpicture}
\begin{axis}[
% Dimensions of plot
% used default size determined in \pgfplotsset
% Domain for values
xmin = 1,
xmax = 20,
ymin = 0,
ymax = 250,
% Axis labeling
xlabel = {Frequency [Hz]},
ylabel = {Amplitude},
title = {Test plot},
%legend style = {at={(1.05,0.95)}, anchor = north east, cells = {anchor = west}}
]
\addplot [red, mark = none, thick, smooth] coordinates{(1,20)(5,60)(7,90)(17,150)};
\legend{Graph1}
\end{axis}
\end{tikzpicture}
\end{document}


You want xtick pos=bottom,ytick pos=left, or alternatively tick pos=left which does the same thing. The length of the ticks is defined by the tickwidth parameter.

\documentclass[a4paper, 11 pt]{article}
\usepackage{pgfplots}

\newlength{\widthLarger}
\setlength{\widthLarger}{10cm}
\pgfplotsset{compat=1.11,
height=8cm,
width=8cm}% most (standard) used width

\begin{document}
\begin{tikzpicture}
\begin{axis}[
% Dimensions of plot
% used default size determined in \pgfplotsset
% Domain for values
xmin = 1,
xmax = 20,
ymin = 0,
ymax = 250,
% Axis labeling
xlabel = {Frequency [Hz]},
ylabel = {Amplitude},
title = {Test plot},
%legend style = {at={(1.05,0.95)}, anchor = north east, cells = {anchor = west}},
% position of ticks
xtick pos=bottom,
ytick pos=left,
% or alternatively
%tick pos=left,
% length of ticks
tickwidth=1mm
]
\addplot [red, mark = none, thick, smooth] coordinates{(1,20)(5,60)(7,90)(17,150)};
\legend{Graph1}
\end{axis}
\end{tikzpicture}
\end{document}

• @MrYouMath What do you mean? tick pos=left sets both xtick pos=left and ytick pos=left, and left is the same as bottom, so the two are equivalent. – Torbjørn T. Aug 22 '17 at 12:06
• @MrYouMath Read the description of those keys in the manual. In the manual for pgfplots 1.14 it is in section 4.15.2 Tick Alignment: Position and Shifts. – Torbjørn T. Aug 22 '17 at 12:07
• I mean that trying "ytick pos = left," or "xtick pos = bottom," did result in an error. Removing both and replacing them with "tick pos = left" worked. But nevermind, I will come back to TeXSE if I need this in a plot :). – MrYouMath Aug 22 '17 at 12:10
• @MrYouMath Ok, but what you actually said was that both worked. Which error did you get? – Torbjørn T. Aug 22 '17 at 12:11
• Sorry for my confusing comment:). Here is the error message: ! Package pgfkeys Error: Choice 'left' unknown in choice key '/pgfplots/xtick pos'. I am going to ignore this key.See the pgfkeys package documentation for explanation.Type H <return> for immediate help.... \end{axis} – MrYouMath Aug 22 '17 at 12:12