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How can I transform these data into seasonal data?
@Pul. Here's a solution that allows you to get summary statistics by season: load('testdata.mat'); % loads giulia_TT timetable...

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How can I subtract the times without considering the date in question?
Here's one way to do this: % test data (one month in 30-min increments) dt = datetime(2021,4,1):minutes(30):datetime(2021,5,1)...

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How to plot multiple lines with gray color
Here's one way to do this: p=rand(12,5); figure (2) plot(p, 'color', [.5 .5 .5], 'linewidth', 1.5); % gray lines % put tex...

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Convert final grade letter into categorical array.
% test data containing student letter grades C = { 'A' 'C' 'D' 'A' 'D' 'B' 'B' 'C' 'A' }; % define C to be categorical C = ...

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how can a make a loop for a double value in Matlab?
It's not clear what 19 variables you have in the table T1, but I suspect your error will disappear via... for i = 1:length(ID) ...

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How to detect negative number in Switch and case statement
Look carefully. Because you are switching on error, your first case expression reduces to error == (error < 0 && Uz > 0) ...

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How to replace ones and zeros in a logical vector with vectors of corresponding length?
idx = [1 0 0 1 1 0 0]; % appearance of logical index a = [2 3 4]; % the values of a have to replace the ones in indx ...

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How to convert an array of exponential numbers to am array of whole numbers?
Your question has nothing to do with "converting" numbers. Your question pertains to how numeric values are presented on the di...

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Can I save different variables inside of a for loop?
Create the desired name of the file as a string or character variable, then use that variable with the save command. For exampl...

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I want my graph to be continuous
You need to determine the point where the two functions intersect and then use that point in line 6 as the transition between th...

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Operator '==' is not supported for operands of type 'table'.
Try this: TurbineTest1=A(strcmp(A.SAPID,u(1,1)),:);

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Create a timetable for every minute in one day
Here you go. As seen in the output from whos, there are 1441 rows in the timetable, one for each minute in the day plus the fir...

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Plotting two Spherical helix on top of each other with one being 90 deg shifted rotated about the z axis
For a before-and-after comparision, substitute the following for the plot3 line in your code. The z-axis rotation isn't particu...

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Could anyone help me how to calculate the mean of cell array
I'm guessing either m1 or m2 below is what you are looking for. c = { [1 2]; [1 2]; [1 2]; [1 2]; [1 2]; [1 2]; [1 2]; [1 2]; [...

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replace specific commas using strrep
In stages, to show the possibilities... s1 = '[[0, 145, 0], [145, 169, 1], [169, 1693, 3], [1693, 1708, 1], [1708, 2729, 3], [2...

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How to join two datetime table datasets with closest times paired?
TT1 = table2timetable(Dataset1); % 1st data set table with datetime column TT2 = table2timetable(Dataset2); % 2nd data set tab...

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Get peak values from a Surface mesh figure?
Here's a solution that does not use findpeaks (since you do not have the Signal Processing Toolbox). Below, I am using MATLAB's...

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2 x 2 mixed ANOVA
It makes no sense to use multcompare here since there are only two "sessions" and only two "groups". multcompare is used when t...

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How to synchronize signals at different frequency in the same table
A1 = table2timetable(A); B1 = table2timetable(B); C1 = table2timetable(C); TT = synchronize(A1, B1, C1);

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How to calculate the area under the curve with data given on an excel file, and not using the function "trapz"?
f = 'https://www.mathworks.com/matlabcentral/answers/uploaded_files/702117/Steel6150Tens.csv'; T = readtable(f); T(end,:) = []...

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Combine two tables based on date time
TT1 = table2timetable(A); TT2 = table2timetable(B): TT3 = synchronize(TT1, TT2);

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Repeated-measures ANOVA with no between-factor
You don't need a between-subjects factor to use ranova. Your design has two within-subjects factors, and that's just fine. I s...

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Error using Plot, Vectors must be the same length
Your vector Height has six elements, with 0 as the first element. Given this, your apparent effort to plot v vs. Height is caus...

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post hoc comparisons multcompare
There are no t-values with the multiple pairwise comparisons tests performed by multcompare. These tests -- Tukey-Kramer, Schef...

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Which pairwise hypothesis test is used on multcompare
The pairwise comparisons test used by default with multcompare is Tukey-Kramer. Using the ctype option, you can change the test...

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Identifying significantly different pairs from multcompare output
The significantly different pairs are identified by the p-values in column 6 of the c matrix generated by multcompare. Here's an...

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How can I test for significance between expected and observed outcomes?
Since there were only two conditions, you can use a t-test (i.e., an anova isn't needed). Here's an example using test random d...

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multcompare for vartestn?
@Tahariet Sharon It is true that multcompare cannot work with input from vartestn. A frustration with multcompare is that it ca...

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how to find the hourly average of datetime series
TT1 = table2timetable(Data); TT2 = retime(TT1, 'hourly', 'mean'); % hourly averages TT3 = retime(TT1, 'daily', 'mean'); % dai...

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Filtering a table with datatime on dates
To remove rows corresponding to 2019-10-01, this should work: d = datetime(2019,10,01); removeLogical = isbetween(tmp.Var2, d...

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