I want to apply linear regression for time vs cq in R. The problem is that for some intervals of time I have obtained no cq values. The data is given below:
time cq
0hr 17.1
15.54
13.49
15.71
12.98
9
16hr 8.33
No Cq
No Cq
7.54
No Cq
20.86
24hr 8.85
28.51
No Cq
19.07
9.27
11.31
30hr 14.23
10.51
13.9
16.9
10.72
8.74
42hr No Cq
No Cq
No Cq
No Cq
No Cq
No Cq
48hr 25.61
25.13
21.28
22.49
21.92
22.95
I know how to apply linear model on a plot in R but I want to ask what should be done for No Cq, should I put NA at their place ?