Nooshin Mahmoodi

Attivo dal 2018

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Statistica

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shall I standardize the input variables in fuzzy inference system?
the range of my data are so different, for example one is between 1-100 and the other one is between 500-14000;can I use them in...

quasi 6 anni fa | 1 risposta | 0

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Domanda

Sparse matrix in OLS , sparse matrix transpose and multiply
I need to estimate B in this equation that u= error Y=B*X+u the estimator of B= (inv(X'*X))*(X'*Y) X and Y are sparse ma...

quasi 6 anni fa | 2 risposte | 0

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Domanda

use function unique and find in two different sheets of xls
My data is more than one sheets of excel(the number of rows are more than one sheet), but I need to find the unique value in one...

circa 6 anni fa | 1 risposta | 0

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Domanda

get month of date from string
I used this code, for exporting the month of years, but it doesn't work for all of my dates, and return NAN for some dates... wh...

circa 6 anni fa | 1 risposta | 0

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Domanda

how could avoid too have loop in big data
I have a big data set(near to 13G). it is a table with information about different agencies at a different time(every day of 10 ...

circa 6 anni fa | 1 risposta | 0

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Domanda

mean of cells in loop with different dimensions
I have a loop, and creat B{i,1} on it. now I need to calculate the mean of each cell.i used meanOfCities(i)= mean(cell2mat...

circa 6 anni fa | 1 risposta | 0

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Domanda

How could find the index (number of row ) that are deleted by "deleteoutliers"
I have a table with 9 cells to find the outliers and omit them in each cell, I used the "deleteoutliers" function base on a spec...

circa 6 anni fa | 1 risposta | 0

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Domanda

read and search an excel file with Arabic or Persian column
I have an excel file with Arabic or Persian column, I want to search in this Persian column and find the repeated word in this c...

circa 6 anni fa | 1 risposta | 1

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