Creating Timetables: Error Message in SampleRate

Hello, I am trying to use a suggested function to generate a timetable with a sampling frequency of 200 Hz.

tt = timetable(rand(12,1),'SampleRate', 200)

I get an error: Invalid parameter name: SampleRate. This is MATLAB 2017b.

How do we get the desired sample rate?

Thanks.

[idris]

Can you please be explicit?

Answer 1

[Adam Danz]

Here's a link to the 2017b documentation for timetable().

https://www.mathworks.com/help/releases/R2017b/matlab/ref/timetable.html?searchHighlight=timetable&s_tid=doc_srchtitle

You'll see that there is no 'SampleRate' property. That property appeared first in r2018b.

Here's how to achive your example for releases before and after 2018b.

% 2018b or more recent
data = rand(12,1);
sampleRate = 200;   %hz
tt = timetable(data,'SampleRate', sampleRate);

% prior to 2018b
timeSamples = seconds(0 : 1/sampleRate : (size(data)-1)/sampleRate);
tt = timetable(timeSamples', data);

[FW]

Thank you. I will try to update to 2018b.

[Peter Perkins]

Adam is right, but usually this

seconds((0:(size(data)-1))/sampleRate)

is better numerically.