Nooshin Mahmoodi

Active since 2018

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Question

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...

nästan 6 år ago | 1 answer | 0

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answer

Question

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...

nästan 6 år ago | 2 answers | 0

2

answers

Question

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...

ungefär 6 år ago | 1 answer | 0

1

answer

Question

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...

ungefär 6 år ago | 1 answer | 0

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Question

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 ...

ungefär 6 år ago | 1 answer | 0

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answer

Question

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...

ungefär 6 år ago | 1 answer | 0

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answer

Question

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...

ungefär 6 år ago | 1 answer | 0

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answer

Question

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...

ungefär 6 år ago | 1 answer | 1

1

answer