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# Agnese Chini

Last seen: 2 meses ago Active since 2021

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How I make a better pre-processing for machine learning?
Hi! I have a data set with different features of data (size 1950x22). With this I have to develop an algorithm through machine l...

2 meses ago | 0 answers | 0

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How can I replace the value of an outlier rather than delete it?
Hi! I have used this method to find and eliminate the outliers from a gaussian feature of my data set: figure; plot(Fetal_tabl...

3 meses ago | 1 answer | 0

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How do I confront the outliers from two different methods?
Hi! I have used two different methods to remove outliers from a certain data set. Here they are below: %Grubb's test figure; ...

3 meses ago | 0 answers | 0

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How I change the name of the variables in a table?
Hi! I have a table like that: Movement_Table = table(Fetal_table.fetal_movement, Fetal_table_tot.r_prolongued_decelerations, F...

3 meses ago | 1 answer | 0

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How I categorize a features?
Hi! I have a dataset like the histogram here: with some data around 0, some other around 1, 2, 3, 4 and 5. I would like to mak...

3 meses ago | 2 answers | 0

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Question

How do I confront the value of a matrix?
Hi, I have a matrix 21x6 I have for rows 16:20 confront the column: for example for the first rows to analyze: (ROW 16) (Co...

10 meses ago | 1 answer | 0

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How do I find the instersection on my plot?
I have a plot with the errorbar. The data coming from a matrix 21x6 and the errorbar from another matrix. I need to find where (...

10 meses ago | 1 answer | 0

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Question

How do I draw a horizontal line at a fixed height on the y axis and print the coordinates of the points I intercept?
Hi, I have a matlab plot with 6 curves (or functions). My y-axis ranges from 0 to 255. My x-axis ranges from -20 to 20. How ...

10 meses ago | 1 answer | 0

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Question

How do I change the values ​​of the axes?
Hi I have this plot: figure; errorbar(y,e,'-o') legend('Cist -9dB', 'Cist -6dB', 'Cist -3dB', 'Cist 3dB', 'Cist 6dB', 'Cist 9d...

10 meses ago | 1 answer | 0

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Question

How do I put the errorbar in the plot?
Hi, I have this program: My program analyzes 21 different images and crops (for each image) 6 ROIs. The ROIs are cropped from ...

10 meses ago | 1 answer | 0

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Question

How to change the plot on the matrix?
I have a matrix 6x21, when I plot figure; plot(matrix);hold on This makes a plot with 21 curves, just like this: But I wa...

10 meses ago | 1 answer | 0

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Question

How to plot a linear fit (or Ordinary Least Squares)?
Hi, I have to analyze some data and put them in a graphics. I have a matrix with the mean and another one (with the same size)...

10 meses ago | 0 answers | 0

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How I plot a matrix wich each rows is a different curves on the graph?
Hi, I have a 6x21 matrix. I want to plot it in one single graph in wich each rows is a different curves.

10 meses ago | 1 answer | 0

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Question

How can I make a better plot?
Hi, I have 5 sets of data and I want to write a script that reads my 5 matrices (1x21 double) and displays a single figure that ...

10 meses ago | 1 answer | 0

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Question

How can I plot 5 different variable all together?
Hi, my variable all have this form: A = [18, 20, 50, 60, ...] They all have the same size 1x21 double and they are five. Ho...

10 meses ago | 1 answer | 0

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How can I save a variable from the workspace to use it for another script?
Hi, I want to save this variable for use that (and other one) in a brand new script

10 meses ago | 1 answer | 0

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How can I repeat the same algorithm from different folders?
Hi, I have this algorithm which works perfectly. However, it only reads one folder at a time and graphs me only one curve at a t...

10 meses ago | 1 answer | 0

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How do I plot together 5 different arrays?
Hi, I have 5 different arrays from different script of matlab. Who do I save this 5 arrays (the values in the array are foundame...

10 meses ago | 1 answer | 0

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Question

How do I create a matrix with specific values?
Hi, I have a matrix (6x21) whose values ​​are those found experimentally. Let's call it: expbasket I want to calculate the erro...

10 meses ago | 1 answer | 0

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How I sum to matrix wich one is the mean of the value and the other the standard deviation?
you certainly know that a value in order to be defined correctly it must be defined by its mean plus or minus its standard devia...

10 meses ago | 1 answer | 0

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Question

How to plot the value of a matrix?
Hi, I have a matrix 7x21 double, there is a way to plot the result with this imput: x axis: the columns y axis: the rows

11 meses ago | 1 answer | 0

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How to compare the values of the same matrix?
I have a matrix 7x21 double. I need to compare each element of one column with each element of the remaining columns. By compare...

11 meses ago | 0 answers | 0

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How can I check if the columns of my matrix have value in common?
Hi, I have a basic problem. I have a matrix 7x21 double and I want to compare each column with the others. I want to understan...

11 meses ago | 3 answers | 0

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Question

How do I compare the values ​​of a matrix?
Hi there, this is my really complex code. With the matrix named as meanbasket, wich is a matrix 21x7 I have to check when a valu...

11 meses ago | 1 answer | 0

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How do I create a matrix that has as values ​​the averages of variables found in loops?
My program analyzes a reference image: named '21', then cut out two ROIs from this image and save their coordinates. Then to the...

11 meses ago | 1 answer | 0

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Question

Who do I read different images from my disk?
My program have to read an image has a reference, then take 7 frehand ROIs of it, and then with the same coordinates crop the sa...

11 meses ago | 1 answer | 0