\begin{tabular}{lrrrrrr}
\toprule
{} &  entity &  unit\_idnum &  channel\_group &    date &     11 Hz &     30 HZ \\
\midrule
30 &    1833 &           5 &              0 &   10719 &  0.296685 &       NaN \\
18 &    1833 &          11 &              0 &   20719 &  0.331483 &  0.195578 \\
12 &    1833 &          22 &              0 &  120619 &  0.036298 &       NaN \\
20 &    1833 &          25 &              0 &  200619 &  0.216439 &  0.166043 \\
35 &    1833 &          31 &              0 &  260619 &       NaN &  0.022465 \\
2  &    1833 &          33 &              0 &  260619 &  0.311534 &  0.164760 \\
36 &    1833 &          39 &              0 &  290519 &       NaN &  0.111319 \\
3  &    1833 &          44 &              1 &  260619 &  0.248838 &       NaN \\
19 &    1833 &          52 &              1 &   20719 &  0.229489 &       NaN \\
8  &    1833 &          65 &              1 &   50619 &  0.292485 &       NaN \\
40 &    1833 &          71 &              1 &   60619 &       NaN &  0.186063 \\
13 &    1833 &          73 &              1 &  120619 &  0.168892 &       NaN \\
32 &    1833 &          97 &              2 &   10719 &  0.315584 &       NaN \\
9  &    1833 &         107 &              2 &   50619 &  0.001500 &       NaN \\
10 &    1833 &         108 &              2 &   50619 &  0.028799 &       NaN \\
14 &    1833 &         109 &              2 &  120619 &  0.161842 &       NaN \\
34 &    1833 &         111 &              2 &  200619 &       NaN &  0.080024 \\
11 &    1833 &         141 &              3 &   50619 &  0.238338 &       NaN \\
15 &    1833 &         143 &              3 &  120619 &  0.011549 &       NaN \\
21 &    1833 &         147 &              3 &  200619 &  0.184041 &       NaN \\
37 &    1833 &         157 &              3 &  290519 &       NaN &  0.006215 \\
38 &    1833 &         161 &              3 &  290519 &       NaN &  0.002420 \\
22 &    1833 &         180 &              4 &  290519 &  0.145493 &       NaN \\
23 &    1833 &         181 &              4 &  290519 &  0.219739 &       NaN \\
24 &    1833 &         182 &              4 &  290519 &  0.007050 &       NaN \\
16 &    1833 &         201 &              5 &  120619 &  0.178941 &       NaN \\
25 &    1833 &         215 &              5 &  290519 &  0.036298 &       NaN \\
33 &    1833 &         229 &              6 &   20719 &       NaN &  0.002200 \\
26 &    1833 &         318 &              7 &  290519 &       NaN &       NaN \\
27 &    1833 &         319 &              7 &  290519 &  0.006000 &       NaN \\
28 &    1833 &         320 &              7 &  290519 &  0.007650 &       NaN \\
29 &    1833 &         321 &              7 &  290519 &  0.138443 &       NaN \\
0  &    1834 &         403 &              4 &  220319 &  0.197390 &       NaN \\
1  &    1834 &         497 &              7 &  220319 &  0.205940 &  0.200913 \\
5  &    1839 &         573 &              0 &  290519 &  0.067197 &       NaN \\
39 &    1839 &         625 &              6 &   60619 &       NaN &  0.042460 \\
17 &    1849 &         821 &              4 &   60319 &  0.033298 &       NaN \\
6  &    1849 &         831 &              4 &  150319 &  0.267887 &       NaN \\
4  &    1849 &         841 &              4 &  220319 &  0.252287 &       NaN \\
7  &    1849 &         911 &              6 &  280219 &  0.061047 &       NaN \\
\bottomrule
\end{tabular}