Data types vs Mathematical operations

Tahirawan77

Starting to get Involved
#1
Hi,

I have prepared a slide to show the various data types and the allowed mathematical operations on each of them for a training session. can you pls. review the slide and tell me if the info. is correct?

thanks
 

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Miner

Forum Moderator
Leader
Admin
#2
Interval data cannot be multiplied or divided. Only ratio data can do that.

By discrete, did you mean integer data? Discrete tends to be used in many different ways, so I recommend that you define your usage of discrete.
 

Bev D

Heretical Statistician
Leader
Super Moderator
#3
I would also add that you can determine differences between variables for all of the data types listed.
The techniques are different of course. For example, you can’t use t-tests or ANOVA if you can’t multiply/divide…
 

Tahirawan77

Starting to get Involved
#4
Interval data cannot be multiplied or divided. Only ratio data can do that.

By discrete, did you mean integer data? Discrete tends to be used in many different ways, so I recommend that you define your usage of discrete.
Hi Miner,

Thanks, and yes by Discrete I mean 'count data' only. I have also attached three more slides which i plan to show before i show 'mathematical operations slides'. Theses slides will describes the various data type with examples.
 

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Tahirawan77

Starting to get Involved
#5
I would also add that you can determine differences between variables for all of the data types listed.
The techniques are different of course. For example, you can’t use t-tests or ANOVA if you can’t multiply/divide…
Hi Bev,

thanks for your reply but i am not sure if i understood correctly because i thought we could not determine the differences if the data type is Nominal, ordinal or binary. Can you enlighten me on this?

Thanks
 
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