Fix dates on x axis

res/report.tex

@@ -4,6 +4,7 @@
 \usepackage{amsmath}
 \usepackage{pgfplots}
 \pgfplotsset{compat=newest}
+\usetikzlibrary{pgfplots.dateplot}
 
 % Other packages
 \usepackage[a4paper, total={12cm, 25cm}]{geometry}
@@ -30,6 +31,10 @@
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
 
+\makeatletter
+\newcommand*\shortyear[1]{\expandafter\@gobbletwo\number\numexpr#1\relax}
+\makeatother
+
 \newcommand{\slice}[6]{
 	\pgfmathparse{0.5*#1+0.5*#2}
 	\let\midangle\pgfmathresult
@@ -136,15 +141,28 @@
 
 		\begin{tikzpicture}
 			\begin{axis}[
+				date coordinates in=x,
 				width=\textwidth,
 				height=0.375\textwidth,
 				ylabel={Net income in €},
 				y label style={at={(-0.1,0.5)},anchor=south},
+				xticklabel=\month.\shortyear{\year},
+				xtick=data,
+				xticklabel style={
+					rotate=60,
+					anchor=near xticklabel,
+				},
+				grid,
 			]
-				\addplot+[ybar, color=scol2, fill=scol2, line width=1pt]
+				% Dummy plot to set x axis labels
+				\addplot[draw=none]
+					table[col sep=comma, x=t, y=value]
+						{net_income.csv};
+
+				\addplot[ybar, color=scol2, fill=scol2, line width=1pt]
 					table[col sep=comma, x=t, y=value, discard if lt={value}{0}]
 						{net_income.csv};
-				\addplot+[ybar, color=scol0, fill=scol0, line width=1pt]
+				\addplot[ybar, color=scol0, fill=scol0, line width=1pt]
 					table[col sep=comma, x=t, y=value, discard if gt={value}{0}]
 						{net_income.csv};
 			\end{axis}
@@ -155,11 +173,19 @@
 
 		\begin{tikzpicture}
 			\begin{axis}[
+				date coordinates in=x,
 				width=\textwidth,
 				height=0.375\textwidth,
 				area style,
 				ylabel={Total balance in €},
 				y label style={at={(-0.1,0.5)},anchor=south},
+				xticklabel=\month.\shortyear{\year},
+				xtick=data,
+				xticklabel style={
+					rotate=60,
+					anchor=near xticklabel,
+				},
+				grid,
 			]
 				\addplot+[mark=none, color=scol1, line width=1pt]
 					table[col sep=comma, x=t, y=value]