photo

ARS


Massey University

Last seen: environ 4 ans il y a |  Actif depuis 2012

Followers: 0   Following: 0

Message

Qualifications: MBA, MFin
Professional Interests: programmed Trading

Statistiques

  • Thankful Level 3
  • Knowledgeable Level 1
  • First Answer

Afficher les badges

Feeds

Afficher par

Réponse apportée
How do you pass MATLAB date (or user input) to SQL query for execution
Hi, Thanks for your answer but this one didn't work for me. I used the following and it works: selectquery = 'SELECT * FROM m...

environ 5 ans il y a | 1

Question


How do you pass MATLAB date (or user input) to SQL query for execution
>> myDate= datetime('2020-01-01'); >> selectquery = 'SELECT * FROM myTABLE WHERE reportDate >= '''myDate''' AND portfolio ='...

environ 5 ans il y a | 2 réponses | 1

2

réponses

Réponse apportée
[DEPRECATED] What frustrates you about MATLAB?
One thing which I find frustrating is that If X=[NaN NaN NaN] Then nanmean(X)=> NaN Whereas nansum(X)=> 0 This ...

plus de 9 ans il y a | 0

Question


Manipulating data in Cell Arrays
Hi All I have a simple question as follows: I have a cell matrix of size (20 X 20). All cells are filled with data like '...

plus de 9 ans il y a | 2 réponses | 0

2

réponses

Question


Weekly to six monthly sum
Hi All I have a matrix (named "X") with dimension 2196,7 Matlab (weekly) dates are in the first column and next 6 columns ...

presque 10 ans il y a | 1 réponse | 0

1

réponse

Question


merging two matrices (cell matrices)
Hi, I have two cell matrices with same dimensions (63,820) for each cell of Matrix AA there is a corresponding numeric val...

plus de 11 ans il y a | 1 réponse | 0

1

réponse

Réponse apportée
How to create matrices and change matrix names in a for loop (Sprint and Eval) ?
Hi, No, I wish to retain it as a cell array and thats why it ends with {}. I want the cell array name to be from Period1Retu...

plus de 11 ans il y a | 0

Question


How to create matrices and change matrix names in a for loop (Sprint and Eval) ?
Hi, I have the following loop. periods=28 *for z=1:periods Period(z)Return{s,j}= open - close ...

plus de 11 ans il y a | 2 réponses | 0

2

réponses

Réponse apportée
Where is the intercept in regress
Hi, In my limited knowledge, you will have to include a very first column of 'ones' in the independent variables side(matrix)...

plus de 11 ans il y a | 1

| A accepté

Question


Getting element row and column (index location) out of a matrix?
Hi, I have a correlation output matrix which I obtain through function *Resultant= Corr(x)* Let Resultant be a 10x...

plus de 11 ans il y a | 1 réponse | 0

1

réponse

Réponse apportée
how to treat dataset as matrix
If you are talking about converting a dataset array then this might be a possible solution. First convert your dataset array ...

presque 12 ans il y a | 0

Question


merging two matrices (cell matrices)
Hi, I have two Matrices of dimension A=(63x181) and B=(63x181) I wish to get a matrix 'C' which has its first column from A ...

presque 12 ans il y a | 2 réponses | 0

2

réponses

Question


Help in Syntax of Eval and Sprintf
Hi, I want to run the following expression: *X = fts2mat(ESP('01-Jan-97::31-Dec-2012'))* The above statemement works...

presque 12 ans il y a | 1 réponse | 0

1

réponse

Question


wald test or test of equality of means
Hi, I am interested in finding a test of equality of two means (*mu1=mu2*). Is there any function/command in matlab through...

plus de 12 ans il y a | 3 réponses | 0

3

réponses

Question


finding mean and storing in a new cell
Hi, I have the following data series: -0.01342 -0.00200 0.04210 0.01854 0.07183 0.01343 0.07494 0.0...

plus de 12 ans il y a | 1 réponse | 0

1

réponse

Question


finding average of a percentile of rows in a matrix?
Hi All, In the below given matrix, I wish to calculate the mean/average of first 20% rows and subtract it from the mean of ...

plus de 12 ans il y a | 3 réponses | 0

3

réponses

Question


isnan in Dataset Array
Hi All, I am sorting a dataset array "RR2" with the below given code and it works perfect. But it positions the rows with NaNs a...

plus de 12 ans il y a | 1 réponse | 0

1

réponse

Question


for loop in matrix names (Syntax)
Hi All, I want to use a new vector every time in my function using for loop. My code is as follows: for g=1:40 hac=re...

plus de 12 ans il y a | 1 réponse | 0

1

réponse

Question


for loop
Hi All, I have a basic syntax question regarding a for loop. I am trying to change the matrix(struct) name in a loop to copy...

plus de 12 ans il y a | 2 réponses | 0

2

réponses

Question


Matlab integer accuracy VS MS EXCEL
Hi All, I am exporting my time series data from EXCEL to MATLAB as time series objects (fints). Now after exporting, the e...

plus de 12 ans il y a | 1 réponse | 0

1

réponse

Question


t-test, HAC Standard Errors, Statistics, Time series
Hi All, I want to test the significance of a financial time series using t-stats. But I want to use Hetroskedasticity and ser...

presque 13 ans il y a | 1 réponse | 0

0

réponse

Réponse apportée
Memory Pre allocation, Dataset Array
Hi All, This is for the info of the MATLAB community that when I used dataset array in my loops which had 44340 iterations, t...

presque 13 ans il y a | 0

Question


Cell Array Indexing is Much Much Much Superior to Dataset Indexing(Life is in peace now)
Hi All, This is for the info of the MATLAB community that when I used dataset array in my loops which had 44340 iterations, t...

presque 13 ans il y a | 1 réponse | 0

1

réponse

Question


Memory Pre allocation, Dataset Array
Hi All, How Can I Pre allocate memory for a DATASET ARRAY which should have 69 Rows and 740 Columns. There is another datas...

presque 13 ans il y a | 5 réponses | 1

5

réponses

Question


Error "Too many DATANAMES" for number series
Hi all, I am loading a time series file from Excel to Matlab which contains 208 columns and 700 rows. But as soon as pressing...

presque 13 ans il y a | 1 réponse | 0

1

réponse

Question


Inconsistent Performance by MATLAB 2010b
Hi All (specially MATLAB developers) I run the following code for k=1:783 sortedfile=sortrows(tosort,k,'descend'); ...

presque 13 ans il y a | 1 réponse | 0

0

réponse

Réponse apportée
Date in a loop
Also I found another good way to do that: sortednew{c,r}= fts2mat(Apple.ARG(Spot.dates(r)) - fts2mat(Applenew.ARG(Spot.da...

presque 13 ans il y a | 0

Question


Date in a loop
Hi All, I am using the following code to use a sorted file which matches elements of sorted file with financial time series t...

presque 13 ans il y a | 2 réponses | 0

2

réponses

Question


looping in Dataset Array
Hi All, I am using a Dataset array named myarray of dimension 6x40 including headers. I wish to loop through each element ...

presque 13 ans il y a | 1 réponse | 0

1

réponse

Réponse apportée
XLSwrite to write in a different column in each iteration
Hi, This solves the purpose...first create a dataset array of sorted names and then export to excel.... for k=1:39, ...

presque 13 ans il y a | 1

| A accepté

Charger plus