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Pradya Panyainkaew


Active since 2017

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How to calculate AUC of ROC curve from these data ?
Hi everyone I have my raw data that I attach in this question.These data are output from a neural network classification and I ...

6 years ago | 1 answer | 0

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Question


How to calculate scores from neural network classification ?
Hi everyone I try to classify binary classes problem by using neural network classification (the raw data are attached in thi...

6 years ago | 0 answers | 0

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answers

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How to find an optimal of Gaussian mixture component proportion number?
Hi everyone I have a weekday data that I attached file in this question. I try to find an optimal number of Gaussian mixture ...

6 years ago | 0 answers | 0

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answers

Question


How to plot ROC and calculate AUC form these data?
Hi everyone If I have targets and outputs in attach files. How can I plot ROC and calculate AUC by using these data ? Than...

6 years ago | 1 answer | 0

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How can I plot ROC and identify AUC value from SVM classification output ?
Hi everyone I try to classify binary classification problem from input data name "pred" and target data are "resp". These two...

6 years ago | 1 answer | 0

1

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Question


How to concatenate the cell array that contain these table ?
If I have 3 cell arrays, each cell contain 3 table such as Cell_1={X1,X2,X3}. Cell_2={Y1,Y2,Y3} and Cell_3={Z1,Z2,Z3}. Moreov...

6 years ago | 1 answer | 0

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Question


How to organize individual neural network for each input data from cell array ?
I want to organize shallow neural network from cell array of 5 input data sets (i=5) name "input{i}" and 5 target data sets name...

6 years ago | 0 answers | 0

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How can divide this array into same group ?
I have a matrix contain daily load profile, size 366x97 elements. The column number 97 shows flag of weekday and holiday by 0, 1...

6 years ago | 1 answer | 0

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How to mapping and return target data ?
I have 2 matrix: A=IndivCellof1000customers_Export and B=DayTpe I try to map A.Var2 and B.Var1, if they are same valu...

7 years ago | 0 answers | 0

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Question


How to find indices of ranking of element in matrix
if i have A=[0 32 103 59 543]; How can I find a ranking indices of each element to get a result like this Result=[5...

7 years ago | 1 answer | 0

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Question


How to fix an error from accumarray?
I have val and subs variables as I shown you and I try to group subs values into same cell array asnd return val to me. When I r...

7 years ago | 1 answer | 0

1

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Question


How to add 2 sets of data into 1 table cell array ?
I have 2 sets of data (FinalLP_FullLoadProfile_BeforeNorm and AbnormalityCusAssump). i try to add some part of these sets into a...

7 years ago | 0 answers | 0

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Question


How do we call a classification learner by coding ?
When we want to utilize neural network, we can type "nntool" in our script to call neural network toolbox. So, Are there any way...

7 years ago | 0 answers | 0

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Question


How to insert datetime data into table ?
I have a 2976x1 datetime data that contains date and time from 01-Dec-2016 00:15:00 to 01-Jan-2017 00:00:00 with time different ...

7 years ago | 1 answer | 2

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Question


How to create sequence datetime in matlab by specific duration
I want to create a set of date time in this format datetime date=('01/12/2016 00:15:00','InputFormat','dd/MM/yyyy HH:mm:ss') ...

7 years ago | 1 answer | 0

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Question


How to organize a new matrix like matrix B ?
If I have matrix A that contains 4 columns. like this A = [7210 01/12/2016 00:15:00 0 0.5502; 7210 01/12/2016 00:15...

7 years ago | 2 answers | 0

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answers

Question


How to convert string to variable name ?
I try to do like this if true Varname=matlab.lang.makeValidName(strcat('Indiv_Reg_',Month)) end where Month is a...

7 years ago | 4 answers | 1

4

answers

Question


How to to group each set of data in individual cell array ?
I have a raw data matrix as A=[111 1 2 3; 111 4 5 6; 111 7 8 9; 112 10 11 12 ; 112 13 14 15; 112 16 17 18]; the first col...

7 years ago | 1 answer | 0

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Question


How to create a matrix that contains members with specific different between each element ?
if I have matrix A that contains a distance between element n and n+1 : A = [4 7 15] How can I construct Matrix B that s...

7 years ago | 1 answer | 0

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Question


How to group variables in a same cluster ?
if I have A=[1 2; 2 4; 3 4; 4 1; 5 1; 6 4; 7 4; 8 2; 9 1; 10 1] where 1st column represents customer ID and 2nd column sh...

7 years ago | 2 answers | 0

2

answers

Question


How to find optimal k from k means clustering by using elbow method
I want to find optimal k from k means clustering by using elbow method . I have 100 customers and each customer contain 8689 dat...

7 years ago | 2 answers | 1

2

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Question


Why does this Error is shown when we use kmeans clustering : X must have more rows than the number of clusters.
I have a matrix size 8688x100 and I try to use kmeans function to cluster these data points into various number of cluster such ...

7 years ago | 1 answer | 0

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answer

Question


How to arrange indices of matrix A by descending order ?
if I have A=[25,41,38] when I sort this matrix by descending order , I will get A=[41,38,21] I want to arrange indices of ...

7 years ago | 1 answer | 0

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Question


How can I speed up my code to divide cell array
Hi everyone. I have my cell array name "Finalized_LP_2016" with 1X100 size. Moreover, it contains 366X28 table in each cell. ...

7 years ago | 2 answers | 0

2

answers

Question


cell array contain zeros matrix
How to create cell array size 1X100 which contain zeros matrix size 366X28 in each cell

7 years ago | 1 answer | 0

1

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Question


Concate cell array and calculate mean of each column.
I have cell array name A=148X1 that contain 1X28 table each element. 1. How can I concate each element together to gat a res...

7 years ago | 1 answer | 0

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answer

Question


How to rearrange data in matrix ?
if I have A=[1:15]. After that, I want to rearrange matrix A to get a result: MyResult=[1 2 3 4 5; 6 7 8 9 10; 11 12 13 14 1...

7 years ago | 1 answer | 0

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Question


How to import file.dat to matlab without delimiter
Hi I have file.dat that contain data like this 7756|01/01/2016 00:15:00|182.422478353023|33554432 7756|01/01/2016 00:30:...

7 years ago | 1 answer | 0

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