I tried with below 3 methods
1.using awk
command:awk '$0 !~/na/{print $0}' filename
2. using sed
sed -n '/na/!p' filename
3. using python
#!/usr/bin/python
import re
k=open('filename','r')
a=re.compile(r'[0-9]')
for i in k:
if re.search(a,i):
print i,
выход
0.000
0.000
0.055
0.036
0.003
0.002
0.000
0.002
0.002
0.002
0.000
0.000
0.000
0.002
0.002
0.003