I want to make a table like the image below, such that all the the highlighted cells are merged separately .
The following code produces this:
I need to remove parts highlighted by red.
\begin{tabular}{ l l l l l l l l l l l l }
\hline
& parameter 1 & & & & & parameters 2 & & & & & \\ \hline
& d1 & d2 & d3 & d4 & & d5 & d6 & d7 & d8 & d9 & d10 \\
a0 & a1 & a2 & a3 & a4 & a5 & a6 & a7 & a8 & a9 & a10 & \ \\
b0 & b1 & b2 & b3 & b4 & b5 & b6 & b7 & b8 & b9 & b10 & \ \\ \hline
\end{tabular}

& \multicolumn{4}{l}{parameter 1} & \multicolumn{6}{l}{parameter 2} \\– egreg Aug 15 '17 at 08:19\multirow, you'll need packagemultirow.) – Christoph B. Aug 15 '17 at 08:36