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david crowley


Last seen: ongeveer een maand ago |  Active since 2021

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Table referencing using cell
Hi all, I have two tables: Tickers Tickers nbr ________ ___ {'A2M' } 1 {'AAN' } 2 {'AAP' ...

bijna 2 jaar ago | 2 answers | 0

2

answers

Answered
Simple logical conditional flag column
Figured it out tt.C2 = cumsum(tt.C1);

bijna 3 jaar ago | 0

| accepted

Question


Simple logical conditional flag column
I require help to develop some logic on the below data extract. I need the C2 column to toggle to '1' when C1 is '1'. Then, when...

bijna 3 jaar ago | 2 answers | 0

2

answers

Question


Build array from for loop
I have a for loop that generates an array (newdd) that changes in length in each iteration. How do create a new variable (arra...

ongeveer 3 jaar ago | 1 answer | 0

1

answer

Question


Calculate running hold duration
I have a table that lists the history of stock transaction (extract attached). I require assistance to find out how long I've he...

ongeveer 3 jaar ago | 1 answer | 0

1

answer

Question


Divide by every N rows
I am trying to perform the following calculation, but every 52 rows the denominator needs to change from (1,1) to (52,1) then (1...

meer dan 3 jaar ago | 1 answer | 0

1

answer

Question


Add String to Matlab Plot Annotation
I am trying to add an annotation to a plot that uses a variable from the workspace. I have used the below code, but the only out...

meer dan 3 jaar ago | 1 answer | 0

1

answer

Question


Ranking values - sorting into descending order
I have a that for each row (i) ranks the column values. However, it ranks them in the ascending order. I require it to be ranked...

meer dan 3 jaar ago | 2 answers | 0

2

answers

Question


For loop to multiple columns
I have the following block of code: %RSI Calculation n = [14:2:18]; for i = 1:n gainC = diff(ABC).*((diff(ABC))> 0); ...

meer dan 3 jaar ago | 0 answers | 0

0

answers

Question


Python function to Matlab
I have the following moving average function developed in Python3 that I need to convert into MATLAB. However, I can't seem to f...

meer dan 3 jaar ago | 4 answers | 0

4

answers

Question


Finding the difference in timeseries values
If I have the below timetable, how do I find the difference between values? Diff() doesn't work. I've tried diff(TableName.Varia...

meer dan 3 jaar ago | 3 answers | 0

3

answers

Question


Setting Arguments using VarFun & RSIndex
Due to the layout of my timetable data, I am required to use the following code when trying to calculate the rsindex(): %Set RS...

meer dan 3 jaar ago | 1 answer | 0

1

answer

Question


Using Diff() with NaN values
I am trying to find the difference between rows using the diff() function. However, because the rows contain NaN values I am get...

meer dan 3 jaar ago | 1 answer | 0

1

answer

Question


Error using movmax index
I need to find the number of periods since a stock price recorded an 14-day high. My proposed method was to use the following an...

bijna 4 jaar ago | 1 answer | 0

1

answer