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Re: efficiency using categorical data

"Yair Altman" wrote in message <ocli7j$k5c$1@newscl01ah.mathworks.com>...> Categorical data and tables in general use more memory and are less performant than the corresponding implementation...

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Re: efficiency using categorical data

On 04/12/2017 1:21 PM, Bruce Elliott wrote:> "Yair Altman" wrote in message <ocli7j$k5c$1@newscl01ah.mathworks.com>...>> Categorical data and tables in general use more memory and are...

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Re: efficiency using categorical data

"Bruce Elliott" wrote in message <oclr6e$a7l$1@newscl01ah.mathworks.com>...> "Yair Altman" wrote in message <ocli7j$k5c$1@newscl01ah.mathworks.com>...> > Categorical data and...

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Re: efficiency using categorical data

On 04/12/2017 3:05 PM, Yair Altman wrote: ...> ... This goes back to my> point that the real tradeoff here is maintainability and dev time/cost> vs. performance and memory. There are no free...

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Re: efficiency using categorical data

"Yair Altman" wrote in message <ocm19f$n6v$1@newscl01ah.mathworks.com>...> > Duplicating a long string multiple time is indeed wasteful in memory. Storing a cell array of unique strings and...

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Re: efficiency using categorical data

On 04/12/2017 4:27 PM, Bruce Elliott wrote: ...> It sounds like the benefits for memory efficiency increase with larger> array sizes, but then there might be a performance hit, since the>...

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Re: efficiency using categorical data

I'm coming into this thread kind of late. Let me say a few things here about memory. I'll post separately about performance. On 4/11/17 2:49 PM, Bruce Elliott wrote:> I've been experimenting with...

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Re: efficiency using categorical data

On 4/11/17 2:49 PM, Bruce Elliott wrote:> This works well for memory usage - I'm now using about 10% of the memory> previously used with the non-categorical data - but it's taking far> longer...

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