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MByk


Last seen: 4ヶ月 前 |  2017 年からアクティブ

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質問


Data normalization using robust scaling
Hello all, I am trying to implement "Robust Scaling" but I am confused. Should I use "all" argument for "median" and "iqr" funct...

6ヶ月 前 | 1 件の回答 | 0

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質問


How can I determine number of samples?
Hello all, my question may not be directly related to Matlab, but I'm trying to draw samples without replacement from my dataset...

7ヶ月 前 | 1 件の回答 | 0

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質問


How can I convert indices into a binary matrix?
Hello all, I have a txt file that includes list of selected items (there are 10 items in total). I am reading the file using "re...

9ヶ月 前 | 2 件の回答 | 0

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質問


How to find selection frequency in a txt file?
Hello all, I have 10 txt files (I share an example) and each file has a list of selected items. I have 13 items in total. What I...

1年以上 前 | 1 件の回答 | 0

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質問


How can I color an image?
Hello, I'm trying to segment an image using the DBScan algorithm, but the result is black and white. How can I convert the resul...

1年以上 前 | 2 件の回答 | 0

2

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質問


I can't use installed toolbox functions
Hello all, I have "Financial Toolbox" but I can't use "autobinning" function. I am getting "Unrecognized function or variable 'a...

約2年 前 | 2 件の回答 | 0

2

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質問


How can I load .mat files?
Hello, I have 3 .mat files and I want to measure feature importance. Following code works fine with .txt files but I am getting ...

約3年 前 | 1 件の回答 | 1

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質問


Datasets containing numerical and categorical data
Hello all, I have a dataset containing both numerical and categorical data. I want to use classification algorithms. Should I ch...

約3年 前 | 1 件の回答 | 0

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質問


How can I change bar graph x-axis?
Hello, I want to order my bar graph (left hand side) in descending order but didn't succeed in ordering x-axis labels (right han...

3年以上 前 | 2 件の回答 | 0

2

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質問


How can I group data in order to build a table?
Hello, I want to group values according to the first column which repeats itself in every 5 records and displays the values side...

約4年 前 | 1 件の回答 | 0

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質問


How to save "optimoptions" to a file?
Is there a way to save "optimoptions" to a txt file? I tried the code below but it is not working. I also tried "dlmwrite" and "...

約4年 前 | 1 件の回答 | 0

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質問


Particle swarm optimization solving an equation system
I want to use particle swarm optimization to solve 4 complex valued nonlinear equations just to compare the results I got from o...

4年以上 前 | 2 件の回答 | 0

2

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質問


Solving nonlinear equations using fmincon
Hello, I have 4 nonlinear equations with 4 unknows (x(1), x(2), x(3), x(4)). I can get solutions using "lsqnonlin" and "fsolve" ...

4年以上 前 | 1 件の回答 | 0

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質問


Evaluation of Clustering Algorithms
I am trying to learn basics of clustering and clustering algorithms. Sorry if it is a dumb question. Is there a way to use K-Med...

4年以上 前 | 1 件の回答 | 0

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質問


Plotting Matrix with Small and Large Values
I am trying to plot the matrix (machines (rows) vs. production times (in sec) (columns)) below. C1=[0.6018 0.6238 0.6001 0....

5年以上 前 | 1 件の回答 | 0

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質問


Different Bayes Optimization Results
Sorry if it is a dumb question but is it normal to get different values despite using the same seed value? Or Am I making a mist...

5年以上 前 | 1 件の回答 | 0

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質問


Accumulating Unique Set Values
I have 10 sets (each set includes 1s and 0s: 1 means element selected) and trying to find the unique sets and store its element ...

6年弱 前 | 1 件の回答 | 0

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質問


Converting Cell Array into Array
I have 4 matrices with fixed columns but different rows (4 * n-by-3) created inside a for loop. I am storing them in a cell arra...

6年弱 前 | 2 件の回答 | 0

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質問


Converting Logical Indices into Real Values
I am trying to seperate observations of each class (I have 2 classes) but somethings wrong with the answers. I dont have a class...

6年弱 前 | 1 件の回答 | 0

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質問


Adding Legend to Perfcurve
I am plotting "perfcurve" but class 2 is shown as a green circle in the legend. How can fix it? Thanks for the help. <</matla...

約6年 前 | 1 件の回答 | 0

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質問


Saving Classification Learner Results
Is there a way to save (export) the classification learner results (history and current model window values) in txt (or word or ...

6年以上 前 | 1 件の回答 | 1

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質問


Grouping Figures with Subplots
I have 3 figures which has 5 subplots and a uitable. I want to group them together. I use the following code but in the first ru...

6年以上 前 | 1 件の回答 | 0

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質問


Bayesian Optimization <undefined> and NaN Results
Sorry, if it's a silly question. I am using Bayesian Optimization to optimize classifier hyperparameters but sometimes I having ...

6年以上 前 | 1 件の回答 | 0

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質問


Adding an Extra Input Parameter to the Function
How can I add an extra input parameter to the function below? I want to add switch-case inside the function. [features,hist...

6年以上 前 | 2 件の回答 | 0

2

回答

質問


Bayesian Optimization Results Evaluation
I am trying to learn and understand Bayesian Optimization. My code is working like in the documentation page but what is the dif...

6年以上 前 | 1 件の回答 | 1

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質問


Parameter Optimization using Simulated Annealing
I am new to optimization and trying to understand the basics, so sorry if it is a dumb question. Is it possible to tune paramete...

7年弱 前 | 1 件の回答 | 0

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質問


Find the threshold point in a matrix
I have a 178x13 double matrix. In each column there is a point where each data value starts to stay same. I want to find them (r...

約7年 前 | 1 件の回答 | 0

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質問


Diagonal Elements of the Square Matrix
I am calculating Sorensen-Dice coefficient (2|A and B|/|A|+|B|) but diagonal elements (intersection with itself) of the square m...

約7年 前 | 2 件の回答 | 0

2

回答

質問


How Jackknife sampling works?
I am trying to understand sampling techniques but I am stuck on jacknife. Can somebody explain how jacknife sampling works? How ...

7年以上 前 | 1 件の回答 | 1

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質問


Intersection of matrix rows up to a given column
How can I find the number of intersecting elements of a matrix up to a user defined column? For example, intersection of first...

7年以上 前 | 1 件の回答 | 0

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