Can anybody help me to create a table which is shown in the attached image? I have tried my own to build a table but I want as shown in the image not which I have attached table code.
Thank you very very much
\documentclass[DIV=12]{scrartcl}
\usepackage{array, caption, makecell}
\usepackage[table]{xcolor}
\setlength{\extrarowheight}{2pt}
\begin{document}
\begin{table}[hbt!]
\small
\centering
\captionabove{Analysis}
\begin{tabular}{|wc{3cm}|*{7}{wc{1cm}|}c|}
\hline
\diaghead{\hskip0.19\hsize}{\& Output signal}{ feat} &
\multicolumn{7}{wc{8.1cm}|}{\begin{tabular}[t]{wc{1cm}|wc{1cm}|wc{1cm}|wc{1cm}|wc{1cm}|wc{1cm}|wc{1cm}}
\multicolumn{7}{wc{8.1cm}}{Standard deviation (std)}\\\hline
a & a & a& a& a& a& a\end{tabular}} &
\begin{tabular}{c}
Temperature
\end{tabular} & 1 & 1&1& 1& 1& 1& 1\\\hline
\end{tabular}
\end{table} \label{ft}
\end{document}


