Mdthbs

I need to add one more column to the table and add $L$ parameter next to $n$. How can I add it?

mwe:

documentclass{article}

usepackage{multirow}

usepackage{amsmath}

usepackage{setspace}

begin{document}





begin{table}[htbp]

    small

    begin{spacing}{1}

        begin{center}

            begin{tabular}{|*{8}{c|}}  % <-- Alignments: 1st column left, 2nd middle and 3rd right, with vertical lines in between

                hline

                &   &   & multicolumn{2}{c|}{textbf{ML }}

                & multicolumn{2}{c|}{textbf{ML  }}  \

                cline{3-7}

                $lambda$   & $gamma$  & $n$& & Train    &  Test      & Train  & Test \

                hline

                0.01        & 0.006     & 30  &  & 0.9133    &    textbf{0.9401}    &       &   \

                hline

                0.01        & 0.002     & 50   & &           & &0.8973       &  textbf{0.9080} \

                hline

            end{tabular}

            caption{Values.}

            label{mejorrmsepredictorbase}

        end{center}

    end{spacing}

end{table}



end{document}

I am getting something like this, which is awful:

I would like to leave it like $lambda$ and gamma, meaning, alone.

Basically you just need to add an additional & and new content in the appropriate position on each row, including the first row. And you need to change the column numbers for the crule. I'm guessing you want crule{5-8}?

I would consider setting the table without vertical rules, it looks better I think. And it's usually recommended using centering instead of the center environment, see Should I use center or centering for figures and tables?

documentclass{article}

usepackage{multirow}

usepackage{amsmath}

usepackage{setspace}

usepackage{booktabs} % provides toprule, bottomrule,midrule, cmidrule

begin{document}





begin{table}[htbp]

    small

    centering

            begin{tabular}{|*{8}{c|}}  % <-- Alignments: 1st column left, 2nd middle and 3rd right, with vertical lines in between

                hline

                &  &  &   & multicolumn{2}{c|}{textbf{ML }}

                & multicolumn{2}{c|}{textbf{ML  }}  \

                cline{5-8}

                $lambda$   & $gamma$  & $n$& $L$ &  Train    &  Test      & Train  & Test \

                hline

                0.01        & 0.006  & 30 & 1       & 0.9133    &    textbf{0.9401}    &       &   \

                hline

                0.01        & 0.002  & 50 & 2      &           & &0.8973       &  textbf{0.9080} \

                hline

            end{tabular}

            caption{Values.}

            label{mejorrmsepredictorbase}

end{table}



begin{table}[htbp]

    small

    centering

            begin{tabular}{*{8}{c}}

                toprule

                &  &  &   & multicolumn{2}{c}{textbf{ML}}

                & multicolumn{2}{c}{textbf{ML}}  \

                cmidrule(lr){5-6} cmidrule(lr){7-8}

                $lambda$   & $gamma$  & $n$& $L$ &  Train    &  Test      & Train  & Test \

                midrule

                0.01        & 0.006  & 30 & 1       & 0.9133    &    textbf{0.9401}    &       &   \

                0.01        & 0.002  & 50 & 2      &           & &0.8973       &  textbf{0.9080} \

                bottomrule

            end{tabular}

            caption{Values.}

            label{mejorrmsepredictorbase}

end{table}



end{document}