only function qlik sense

[joeybird]

Hi

I only want to count IDS, that have ONLY had temperature observations of 35

i.e

ID  Obs Temp

1    1      35

1    2      35

1    3      35

2    1      35

2    2      36

2    3      35

2    4      37

3    1      35

3    2      35

3    3      35

3    4      36

I should only return ID 1

Please help

[mjtaft2017]

Sunny -

thanks for your reply.  It is making more sense now.  I am playing around with different aspects of this, changing temps and seeing the impact. It just puzzled me that this ->  {=Temp=35} was functioning like Only(Temp). 

Thanks again

[sunny_talwar]

It was working like this

{=Only(Temp) = 35}