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Antonio Melieni


Aktiv seit 2019

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Frage


Test Results in a table
Hi I need to performe an adf test for several columns of an array and need the results for all of the columns in one table. ...

mehr als 5 Jahre vor | 1 Antwort | 1

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Frage


How can I divide a week of a timetable into hours
Hi, is it possible to devide a week of a timetable into 168 hours? I would need the means of a timetable from monday to sun...

mehr als 5 Jahre vor | 1 Antwort | 0

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Frage


How can I remove holidays from a timetable
Hi, How can I remove the holidays from a timetable? Thx :)

mehr als 5 Jahre vor | 1 Antwort | 0

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How can I group a timetable in hours 0-24h
Hi, I have a timetable with tick data of FX rates on a minutely basis. The timetable is 527040 x 4 Starting from the 01.01....

mehr als 5 Jahre vor | 1 Antwort | 0

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How can I extract the time column of a timetable
Hi, I need to extrct the time column of a timetable as I need to manipulate it. any Ideas?

mehr als 5 Jahre vor | 2 Antworten | 2

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How to sum over next delta of rows
Hi, I have a 527040 x 4 table I need a new table, that gives me for each i = size(array,1) the sum of the next delta of rows...

mehr als 5 Jahre vor | 0 Antworten | 0

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How do I get the mean of always 4 columns
Hi, I have a 527040 x 16 double array I need the row mean of always 4 clomuns So I need the row mean of column 1:4 5:8 9:...

mehr als 5 Jahre vor | 2 Antworten | 0

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Frage


Moving sum in a timetable
Hi, I've timetable with 2 clomuns (time column) 527040×1 datetime and 527040×1 double (1st column) , please look at my attach...

mehr als 5 Jahre vor | 1 Antwort | 0

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Frage


Sum rows in timetable
I have a timetable with minutley reutrns. In each row is a timestap and the return I now want to calculate the daily returns a...

mehr als 5 Jahre vor | 1 Antwort | 0

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How can I calculate a row mean of a timetable
Hi I have a 527400x4 timetable and now I want to calculate the mean of each row any ideas=

mehr als 5 Jahre vor | 0 Antworten | 0

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Frage


convert .xlsx file into a timetable
Hi :) I have the following excel sheet and I want to convert it into a time table. The first row should be the "datetime" ro...

mehr als 5 Jahre vor | 2 Antworten | 1

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Frage


matrix log of certain columns
Hi :) I have to matrices 527040x4 and 527040x4 now i want to calc the log(m1c1) + log(m2c1), log(m1c2)+log(m2c2), log(m1c3)...

mehr als 5 Jahre vor | 1 Antwort | 0

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Mean over specific columns
Hi :) I have a 450x42 table. I would like to calculate the mean over cloumns 2:5 7:10 12:15 and so mean([2:5],2) mean([7:1...

mehr als 5 Jahre vor | 1 Antwort | 0

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How can I convert several tables into cell arrays
Hi :) I have 6 tables in my workspace and I want to convert them all into cell arrays. Is this possilble by a loop for examp...

mehr als 5 Jahre vor | 0 Antworten | 0

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