deletions | additions       diff --git a/tbl_multireg.tex b/tbl_multireg.tex  index 8d625ed..56873bf 100644  --- a/tbl_multireg.tex  +++ b/tbl_multireg.tex 
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\begin{table}  \caption{Multi \caption{\textbf{Table 3.} Multi  variant linear regression analysis of article citations $C$ vs.~twitter mentions $T$, article arXiv downloads $A$, and time in days elapsed between beginning of our test period and submission of article, $P$. }  \label{tbl:multireg}  \centering  \begin{tabular}{||l||l|l|l||}  \hline\hline *: p$<$0.1,**: p$<$0.05,***: p$<$0.01,****: p$<$0.001}  \begin{tabular}{llll}  model & $\beta_1$ (st. error) & $\beta_2$ (st. error) & $\beta_3$ (st. error) \\\hline  $C=\beta_{1}T+\beta_{2}P+\varepsilon_1$ & $0.150^{***}$ (0.035) & $0.044^{**}$(0.019) & - \\  $C=\beta_{1}A+\beta_{2}P+\varepsilon_2$ & 2e-04$^{***}$ (7e-05) & $0.038^{*}$(0.020) & - \\  $C=\beta_{1}T+\beta_{2}A+\beta_{3}P+\varepsilon_3$ & $0.120^{***}$ (0.040) & 1e-04(8e-05) & $0.041^{**}$(0.019) \\\hline\hline  \multicolumn{4} {||l||} {*: p$<$0.1,**: p$<$0.05,***: p$<$0.01,****: p$<$0.001} \\\hline\hline  \end{tabular}  \end{table}