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Interpolate strings from an x y interval to a corresponding x y interval.
If you had timetables, ths would be a one-liner using synchronize. from and blocksFrom look suspiciously like time vectors. Time...

5ヶ月 前 | 1

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i have a list of data and i have to select first 5th column of each row ..then simultaneously 6th column and 7th column
You almost certainly do not need cell arrays. You certainly don't need numeric matrices because most of your data is not numeric...

5ヶ月 前 | 0

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I can't manage to stack plot 2 columns with the right graph size
Inigo, I don't know what you data look like or how you have them stored, but I strongly recommend that you look at using a timet...

5ヶ月 前 | 0

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Locate indices of datetime from one table in another?
1) It looks like you must have use "day" as an input to groupsummary, which returns a categorical as the group values: >> tt = ...

5ヶ月 前 | 0

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Built in look-up style interpolation of timetables for non-numeric data?
You absolutely can use interp1 on a numeric vector over a datetime grid with unsorted, repeated query points: >> interp1(t,y,tP...

5ヶ月 前 | 0

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Adding a column of the same character name for all the rows in a table
It's even simpler than that: >> r1 = array2table(rand(5,1),'VariableNames',"Random1"); >> r1.Time(:) = "hours" r1 = 5×2 tabl...

5ヶ月 前 | 0

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Table calculations, annual return
Almost certainly the best way to do this is to use a timetable, and a grouped varfun (or grouptransform). >> AAPL = rand(36,1);...

5ヶ月 前 | 0

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Combine rows and average contents in table
In addition to dpb's solution that uses rowfun, here's a similar sol'n that uses varfun. The difference is that varfun works on ...

5ヶ月 前 | 0

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How to join data elements with the same date in a table
This is a one-liner with unstack: >> date = datetime(2022,1,[1 1 1 2 2 2 3 3 3])'; >> station = categorical(["A" "B" "C" "A" "...

5ヶ月 前 | 0

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Input timetables must contain unique row times when synchronizing using 'linear'
The problem is that one of these files has duplicate rows: >> t1 = readtable('ctm.xlsx'); >> t1.Time = days(t1.Time); t1.Time....

5ヶ月 前 | 0

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How to convert one column of a table into numeric data type corresponding to the other column of the same table?
This is perhaps slightly more clear: >> genre = {'ab','a','a','o','abo'}'; >> runtime = [11,12,13,14,45]'; >> T = table(genre...

5ヶ月 前 | 1

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Elegant way to view and compare data based on feature/parameter selection?
Martin, you may have moved on already, but maybe this is still helpful. First, I think using categorical will make life easier....

5ヶ月 前 | 0

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How do I find a daily minimum value using retime when I have categorial data in the table?
SS's answer seems to have worked, and I'm late to the party, but I always like to provide an alternative to using datenum, and r...

5ヶ月 前 | 0

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How to breakdown a timetable into intervals to performance calculations
Oliver, you may have moved on already, but maybe this will still help. Normally retime would be the thing to use for something ...

5ヶ月 前 | 0

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Decimail Years date to JulianDate
Maybe I'm missing something. The file contains year and fractional year. Isn't this just >> T1 = readtable('https://www.mathwor...

5ヶ月 前 | 0

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Make arrays into a table
TOK, you have 6 series, each with length 10. The normal way to orient that would be 10 rows, 6 columns. Nonetheless, >> a1 = ra...

5ヶ月 前 | 0

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Define an event if there are > 5 signals detected in a minute
I'm going to assume that "I would like to define an 'event' if 5 or more signals are detected within a minute." and "check if th...

5ヶ月 前 | 0

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running for loop gives error " Row index exceeds table dimentions "
Not sure what purpose the first vector serves, but if it always defines non-overlapping groups, then there's no need for a loop:...

5ヶ月 前 | 0

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Sort table based on number of occurrences
This has been unanswered for some time. Maybe this is still helpful. The main problem here is cell arrays of (repeated) text an...

5ヶ月 前 | 0

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Timeit on pause(2) returns weird ouput
The issue is pause, not timeit: "STATE = pause(...) returns the state of pause previous to processing the input arguments." >>...

5ヶ月 前 | 0

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postgresql database with time series results with NaT
You need to provide a format in whatever you are using to import: >> datetime("2022-02-28 16:16:34+00","Format","uuuu-MM-dd HH:...

5ヶ月 前 | 0

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Write txt to table with collumn name
Sarah, you question is a little vague. It sounds like you have a series of folders, let's say they are named folder1, folder2, ....

5ヶ月 前 | 0

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Count unique values in a double
In addition to what Walter said, if you want the unique values of one variable in a table, likely this is what you should use: ...

5ヶ月 前 | 0

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Switching TimeZone property in datetime function doesn't change output.
Marius, here's what's happening: The first few inputs of your code tell datetime that the instant of time you are talking about...

6ヶ月 前 | 1

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How to sum structures
Assuming that you are starting with something like this >> A.X = table(rand(3,1),rand(3,1),'VariableNames',{'X1' 'X2'}); >> A....

8ヶ月 前 | 0

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How to add two sets of imported data?
Ashley, there's a long example in the doc that talks about "how to perform calculations by using the numeric and categorical da...

8ヶ月 前 | 1

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Finding the difference in timeseries values
David, you are correct that diff(TableName.Variables) removes the times and the variable names, in fact, it returns a numeric ma...

8ヶ月 前 | 0

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Can I use the movmean function for a time series?
CivilEngBath, I recommend that you take a look at using timetables, not timeseries. smoothdata on timetables does what you want....

8ヶ月 前 | 0

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Plot data to a certain date with array
Give this a try: >> tt = timetable((1:365)','RowTimes',datetime(2021,1,1:365)) tt = 365×1 timetable Time Var...

8ヶ月 前 | 0

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Replacing missing data in timetable with values from another dataset
IIUC, I think the simplest thing to do would be to remove the rows with missng data, vertically concatenate with the other data,...

8ヶ月 前 | 0

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