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Tiago Dias


Last seen: 3 years 前 |  自 2017 起处于活动状态

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统计学

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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...

4 years 前 | 1 个回答 | 0

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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...

4 years 前 | 1 个回答 | 0

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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...

4 years 前 | 1 个回答 | 1

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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 ...

5 years 前 | 1 个回答 | 0

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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...

5 years 前 | 1 个回答 | 0

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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...

5 years 前 | 1 个回答 | 0

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已回答
How 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 ...

5 years 前 | 0

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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 ...

5 years 前 | 1 个回答 | 0

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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...

5 years 前 | 1 个回答 | 0

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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:...

5 years 前 | 1 个回答 | 0

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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...

5 years 前 | 1 个回答 | 0

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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 ...

5 years 前 | 1 个回答 | 0

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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...

5 years 前 | 2 个回答 | 0

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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...

5 years 前 | 1 个回答 | 0

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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, ...

5 years 前 | 0 个回答 | 0

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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...

5 years 前 | 0 个回答 | 0

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How to select specific legend entries for bar chart
Hi, what is extraction?

5 years 前 | 1

提问


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...

5 years 前 | 1 个回答 | 0

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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...

5 years 前 | 1 个回答 | 0

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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? ...

5 years 前 | 1 个回答 | 0

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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...

5 years 前 | 1 个回答 | 0

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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...

5 years 前 | 0 个回答 | 0

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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...

5 years 前 | 0 个回答 | 0

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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 ...

5 years 前 | 1 个回答 | 0

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Creating a cell and allocation specific text
Instead of { } i used now ( ) and it works. result(1,2:end) = result_aux(1,1:end);

5 years 前 | 0

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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...

5 years 前 | 3 个回答 | 0

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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...

6 years 前 | 1 个回答 | 0

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Change 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 ...

6 years 前 | 0

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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...

6 years 前 | 2 个回答 | 0

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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...

6 years 前 | 1 个回答 | 0

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