# Tiago Dias

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**Content Feed**

Question

Support Vector Machine: Linear or Non-linear

Hi, I have a doubt on SVM. SVM is a linear or non-linear method, or it depend on the type of kernel i am using. If i am usin...

ungefär ett år ago | 1 answer | 0

### 1

answerQuestion

Aid with Intercepter Latex for Xlabel

Hi, It is possible to put the horizontal line above all letters of "KPI", i wanted to placed the symbol for the mean(KPI). Is t...

mer än ett år ago | 1 answer | 0

### 1

answerQuestion

What is the difference form using TreeBagger and Fitrensemble functions

Hi, I am wondering what is the difference between (1) and (2). I am trying to construct a predictive model, and I don't underst...

mer än ett år ago | 1 answer | 0

### 1

answerQuestion

How to remove the Range from colorbar in HeatMap

Hello to all, I wanted to place in the legend only the number 0 (red), 1 to yellow and 2 to green, I dont want to range from ...

mer än ett år ago | 1 answer | 0

### 1

answerQuestion

OOBPredictorImportance How to interpret the values range?

Hello, To be able to calculate the importance of the predictors for TreeBagger it is needed to turn on the OOBPredictorImportan...

mer än ett år ago | 1 answer | 0

### 1

answerQuestion

Neural Networks Gradient - what is a good value?

Hello, When building neural networks with the toolbox, in the display I have a performance parameter, lower the better since it...

nästan 2 år ago | 1 answer | 0

### 1

answerHow to do some calculations on nonzero nonNAN elements of an array

Hello, is this what u want to do? A = [1 NaN 2 NaN;3 1 4 5] result = A(1,:) ./ A(2,:) result = 0.3333 NaN ...

nästan 2 år ago | 0

Question

Select matrix for training,testing and validation on ANN

Hello to all, completeX = [1:+1:100;2:+2:200]'; completeY = [1:+1:100]'; From my data set i divided in a specific form and I ...

nästan 2 år ago | 1 answer | 0

### 1

answerQuestion

Radial Basis Function NN

Hello, I got my predictors 523 observations and 41 variables (523x41) and I got my response (523 observations x 1 variable). I...

nästan 2 år ago | 1 answer | 0

### 1

answerQuestion

Find datetime in a vector

Hello, I want to find the index of two times that belong on a colum with a bunch of timedates t1 = datetime('10-09-2018 00:00:...

ungefär 2 år ago | 1 answer | 0

### 1

answerQuestion

Datetime shows month name and not number

Hello, I want to find a specific datetime in my vector full of date time in the format of (10-09-2018 00:00:00) days-month-ye...

ungefär 2 år ago | 1 answer | 0

### 1

answerQuestion

From a given vector create all combinations possible

Hello, from a given vector i want to create all possible combinations. I have the following code, a vector of [5 10 15] and I ...

ungefär 2 år ago | 1 answer | 0

### 1

answerQuestion

Artificial Neural Networks Hidden Layers

Hello, Below is my code to build a neural netword. Question 1 n defines the number of nodes in the hidden layer. How can i de...

ungefär 2 år ago | 2 answers | 0

### 2

answersQuestion

Implement Regression models in real systems

Hello, I used matlab for training and testing models (PLS, PCR, LAsso, ridge regression, and neural networks from the apps tool...

ungefär 2 år ago | 1 answer | 0

### 1

answerQuestion

How to calculate Repeatability and Reproducibility

Hello, I got a dataset X and Y. I got a PLS model, and so I got an Ypredicted, and i performed the PLS construction 50 times, ...

ungefär 2 år ago | 0 answers | 0

### 0

answersQuestion

bar chart with different width

Hi, I got a problem with my bar charts, some bar got a different width then others, for the cyan and mangent bars. I attach a p...

mer än 2 år ago | 0 answers | 0

### 0

answersHow to select specific legend entries for bar chart

Hi, what is extraction?

mer än 2 år ago | 1

Question

Create aditional legend on bar chart

Hello, I got a bar chart, and i want to have the bars with different colors. I would like to know if it possible to show somety...

mer än 2 år ago | 1 answer | 0

### 1

answerQuestion

Change Colors of bar chart

Hello, I got a fig.file which is a bar chart (attached). And I want to change some bar charts to red for example, bar 4, 10 and...

mer än 2 år ago | 1 answer | 0

### 1

answerQuestion

Turn off the dispaly of the values on Yaxis

Hello, I was wondering if it is possible to just turn off the values from 0 to 160 on Yaxis, but remaining the grid and Ticks? ...

mer än 2 år ago | 1 answer | 0

### 1

answerQuestion

Change Width for YAxis (both) but not the grid

Hello, I want to change both YAxis Width but ax1.YAxis.Linewidth = 1.5 command doesnt work. I would like the width of both Yaxi...

mer än 2 år ago | 1 answer | 0

### 1

answerQuestion

Lasso regression coefficient inperpretation

Hi, I got my data (predictors) and my response variable (Y_MOTOR) and I want to interpret the results when I build a Lasso mode...

mer än 2 år ago | 0 answers | 0

### 0

answersQuestion

Lasso regression coefficients interpretation

Hello, I want to built a lasso model for my data (predictors) to predict Y_MOTOR. load('predictors.mat') load('Y_MOTOR.ma...

mer än 2 år ago | 0 answers | 0

### 0

answersQuestion

Area under the curve in blocs

Hello, I would like to know the area under the curve in blocs from 1 to 2, 2 to 3, etc and also the total. x = [1 2 3 4 5 6 7 ...

mer än 2 år ago | 1 answer | 0

### 1

answerCreating a cell and allocation specific text

Instead of { } i used now ( ) and it works. result(1,2:end) = result_aux(1,1:end);

mer än 2 år ago | 0

Question

Creating a cell and allocation specific text

Hello, My objective is to create an array cell like: result = {'Intercept','X1','X2','X3',....'X41'}, in the 1st colum I got t...

mer än 2 år ago | 3 answers | 0

### 3

answersQuestion

Save a file inside a subfolder of a folder

Hello, In my directory I want to be able to creade a Folder, call a function do perform some calculations, and the results of t...

mer än 2 år ago | 1 answer | 0

### 1

answerChange the name of structure inside a cell

@Stephen Cobeldick the objective was just when i open "stuff" to see that the column 1 is label with a specific name and column ...

nästan 3 år ago | 0

Question

Change the name of structure inside a cell

Hello, I got the cell names stuff with 2 field values. When I open "stuff" i see a message "1x1 struct", can i change this disp...

nästan 3 år ago | 2 answers | 0

### 2

answersQuestion

Round number to just 2 decimals cases

Hi, I want to round A A = [47.1847 18.78417 8.7849 3.3514]'; B = round(A,2) C = floor(A*100)/100 so i can get result = [ 4...

nästan 3 år ago | 1 answer | 0