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Alexandra Brian


Active since 2016

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Trouble with Mean function
Hi, I wrote the following code, but it is returning NaN for the output of AvgRule1. It should be the mean of X, when A < 1. I ha...

meer dan 7 jaar ago | 1 answer | 0

1

answer

Question


I am trying to write data from fitlm model to excel and write a column vector of the name of variables into my excel table
Hi, Here is my code: clear all X = xlsread('example.xlsx', 1, 'A2:A857'); %get data from column in excel Y = ...

meer dan 7 jaar ago | 1 answer | 0

1

answer

Answered
I'm trying to select out rows with strings from a spreadsheet that agree with certain conditions.
Thank you Gim! Now I just need to figure out how to select column 1's value based on the other columns.

meer dan 7 jaar ago | 0

Question


I'm trying to select out rows with strings from a spreadsheet that agree with certain conditions.
Hi, I'm trying to write a code to select out the strings that have a 1 in the corresponding column. This is the code I wrote...

meer dan 7 jaar ago | 2 answers | 0

2

answers

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Why doesn't my code return the correct value when I try to find the average of the values greater than 0?
Hi, I'm trying to find the average of the values that are greater than 0 and the average of values less than 0. I wrote the f...

meer dan 7 jaar ago | 1 answer | 0

1

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I want to find the average of a matrix from excel in MATLAB
Hi, I would like to find the average of the matrix found in the spreadsheet attached in MATLAB. I calculated my results manua...

meer dan 7 jaar ago | 2 answers | 0

2

answers

Question


Trying to find all the average of negative numbers under certain conditions
Hi, I'm trying to find the average of numbers less than 0 in one column that correspond with positive numbers in the rows of ...

bijna 8 jaar ago | 1 answer | 0

1

answer

Question


counting the number of elements under multiple conditions
Hi there, I need to count the number of elements in column y that confirm two conditions: # When the column x is greater ...

bijna 8 jaar ago | 1 answer | 0

1

answer

Question


Trouble with a correlation analysis code
I'm writing a code to run a correlation analysis between two variables under certain conditions. I want to see if there is a c...

bijna 8 jaar ago | 1 answer | 0

1

answer

Question


Unregistering a computer and registering new computer
I got a new laptop and want to un-register my MATLAB account off of my old computer and set it to the new one. I already am usin...

bijna 8 jaar ago | 2 answers | 0

2

answers

Question


Is it possible to use 20 variables in a multi regression on MATLAB?
Is it possible to use 20 variables in a multi regression on MATLAB?

bijna 8 jaar ago | 2 answers | 0

2

answers

Question


I'm trying to run a linear regression on cases that fit certain criteria, can you help?
I have a matrix I downloaded from excel: clear all x = xlsread('excelspreadsheet.xlsx'); z = xlsread('BR5_BR4.xlsx'...

ongeveer 8 jaar ago | 1 answer | 0

1

answer

Question


How can I write multiple sets of data from MATLAB to one sheet in excel?
I'm running a linear regression test in MATLAB from data I have in excel. A = xlsread('excel_report.xlsx', sheet, 'ColumnA...

ongeveer 8 jaar ago | 1 answer | 0

1

answer