![photo](/responsive_image/150/150/0/0/0/cache/matlabcentral/profiles/2727238_1522090930822_DEF.jpg)
Ms. Mat
Followers: 0 Following: 0
Professional Interests: Econometrics and Finance
Statistica
RANK
95.213
of 292.704
REPUTAZIONE
0
CONTRIBUTI
14 Domande
1 Risposta
ACCETTAZIONE DELLE RISPOSTE
71.43%
VOTI RICEVUTI
0
RANK
of 147.856
CONTRIBUTI
0 Problemi
0 Soluzioni
PUNTEGGIO
0
NUMERO DI BADGE
0
CONTRIBUTI
0 Post
CONTRIBUTI
0 Pubblico Canali
VALUTAZIONE MEDIA
CONTRIBUTI
0 Punti principali
NUMERO MEDIO DI LIKE
Feeds
Domanda
subtract from each element its mean / find absolute deviation across rows
A = [1 2 NaN; 4 NaN 6; 7 8 9] A = 1 2 NaN 4 NaN 6 7 8 9 mn = nan...
oltre 11 anni fa | 1 risposta | 0
1
rispostaDomanda
Eliminate nested FOR loop
I have time series data in a double array. The first column is datenum and all other columns are corresponding data d...
oltre 11 anni fa | 2 risposte | 0
2
risposteDomanda
Conversion of arrays to cell array
I have time series data as a pivot in an array. The first row and first column are headers. x = NaN 10...
oltre 11 anni fa | 1 risposta | 0
1
rispostaDomanda
How do I find the number of occurrences of NaN and the corresponding subscripts in an array
A = NaN 100 101 102 103 104 201 2 7 3 2 2 202 NaN 8 4 5 6 203 NaN NaN 2 3 5 205...
oltre 11 anni fa | 1 risposta | 0
1
rispostaDomanda
Mean of every row in a double matrix without looping
Is it possible to find mean and std dev. of every row in a huge matrix with double data and a lot of NaN interspersed without lo...
oltre 11 anni fa | 1 risposta | 0
1
rispostaDomanda
Count the number of occurances of an element using accumarray
Now I am trying to find the occurance of an element in a vector using sum(dta(:,size(dta,2))==3); How can accumarray be us...
oltre 11 anni fa | 2 risposte | 0
2
risposteDomanda
Aligning Time Series data and calculating CAPM beta.
I have time series data(daily) for 10 years for 500 firms. I would like to calculate monthly beta. I have the data on an excel s...
oltre 11 anni fa | 1 risposta | 0
1
rispostaDomanda
Consolidate Substring Code using Cellfun
I have read data from an excel sheet. The data Iam trying to manipulate is in the second column. First line is the header. i wou...
oltre 11 anni fa | 1 risposta | 0
1
rispostaDomanda
Datenum - different date formats
*Background* I have an excel sheet with different date formats (in excel some are in General format, some in date format tota...
oltre 11 anni fa | 2 risposte | 0
2
risposteDomanda
Datenum Mystery - different date formats - but results are the same
*Background* I have an excel sheet with different date formats (in excel some are in General format, some in date format tota...
oltre 11 anni fa | 1 risposta | 0
1
rispostaDomanda
Choice of data structure - cellarray or dataset
I have data of the structure 3 columns by 1.5 million rows. Each column is a variable namely cocode, date, price. I would like t...
oltre 13 anni fa | 2 risposte | 0
2
risposteHandling memory issues by connecting to database and retrieving only required data
Yes. Your right. The file has just 3 columns with 2 numeric and 1 string column. I increased the virtual memory and the problem ...
oltre 13 anni fa | 0
Domanda
Handling memory issues by connecting to database and retrieving only required data
I have an excel file as large as 20MB with roughly abt 1.5 million rows. I run out of memory while I perform any sort of operati...
oltre 13 anni fa | 2 risposte | 0
2
risposteDomanda
Memory issues in using xlsread and dataset('XLSFile'...)
I have a huge file in XLSX format. While xlsread runs without memory issues, the command A = dataset(XLSFile, filename) throws t...
oltre 13 anni fa | 3 risposte | 0
3
risposteDomanda
CellStruct
Hi, I would like to know if there are functions(specially if cellstruct would work) in MATLAB to solve my problem or do i hav...
oltre 13 anni fa | 1 risposta | 0