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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...

6 years 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...

6 years 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...

6 years 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...

6 years ago | 1 answer | 0

1

answer

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 ...

6 years ago | 1 answer | 0

1

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...

6 years ago | 1 answer | 0

1

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...

6 years ago | 1 answer | 0

1

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...

6 years ago | 1 answer | 1

1

answer