Community Profile # Silpa K

Last seen: bijna 3 jaar ago Active since 2019

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Question

A year containing a date or not
How can I check a year containing a specified date or not. eg. 2050 contain a as a sunday in a date 30. input is like: 1,2050(...

bijna 3 jaar ago | 3 answers | 0

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Question

How to partition a data set.
How can I partition a data set into a specified number of partition. I need to divide my data as 6 partition. I used subds = p...

ongeveer 3 jaar ago | 1 answer | 0

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Question

Remove the non-digit from mser regions.
I need to remove the non-digit regions(I need only the meter reading). I got a code that is similar to it, but that's for non-te...

meer dan 3 jaar ago | 1 answer | 0

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Clustering based on threshold values.
Thank you sir. Please give me a suggestion that which clustering technique can I use to fixed som epoints as centroids.

meer dan 3 jaar ago | 0

Question

Clustering based on threshold values.
I have a dataset ,attached here. I need to cluster the data based on some threshold value that chhosen randomly from the data se...

meer dan 3 jaar ago | 3 answers | 0

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Question

The count of output clusters
clc; clear; data=xlsread('Pimaxl.xlsx'); minpts=4; epsilon=2; tic idx=dbscan(asc,epsilon,minpts); eucD = pdist(idx,'euc...

meer dan 3 jaar ago | 1 answer | 0

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Question

Formation of higher dimensional subspace clusters
How to find higher dimensional clusters are formed by connecting 2-dimensional subspace clusters sharing common objects. If an o...

meer dan 3 jaar ago | 1 answer | 0

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Question

convert data into 1D and clustering using dbscan ,optics and denclue
I want to convert the data into 1 D data and clustering using dbscan,optics and denclue. How can I do that ? Please help me.

meer dan 3 jaar ago | 0 answers | 0

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Question

How to estimate the density threshold separately for each dimension.
I need to find the density threshold separately for each dimension. In this step,objects in each of the D attributes are arrang...

meer dan 3 jaar ago | 1 answer | 0

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Question

dbscan clustering error in matlab
Hi, I am using matlab R2018b version.When Iam using dbscan function my matlab showing that undefined function. What is the fu...

meer dan 3 jaar ago | 1 answer | 0

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Question

finding sub sequences of a data set
clc clear ts = xlsread('SwedishLeaf_TRAIN.xlsx'); l=length(ts); for i = 1:500 p=ts(i,:) for ii = 1:129 ...

meer dan 3 jaar ago | 1 answer | 0

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Question

Splitting data set using information gain
How find maximunm information gain and using this maximum information gain how can I split each row of my data set.

meer dan 3 jaar ago | 1 answer | 0

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Question

Classification using test and train datasets.
For classifcation using decision tree and finding the accuracy of the classification I used the code below, but I am getting err...

meer dan 3 jaar ago | 1 answer | 0

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Question

How to find guassian distribution
How to find gaussian distribution of an image using mean=128 and variance=1689.2347.

meer dan 3 jaar ago | 1 answer | 0

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Question

Finding transpose of values.
ts = xlsread('ArrowHead_TRAIN.xlsx'); for i = 1:100 b=20 p=ts(i,:); n= numel(p); Z=mat2cell(p,diff([0:b:n...

meer dan 3 jaar ago | 1 answer | 0

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Question

Edge weight determining using nodes.
I need to find the edge weight using the equation Sij =Hij/Hi , Hi represents the earthquake number occurring in node i, Hij ...

meer dan 3 jaar ago | 0 answers | 0

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Question

Finding transmission map of an image.
How to calculate transmission map of an image using standard deviation. I used the following equation but I didn't get the corr...

meer dan 3 jaar ago | 1 answer | 0

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Question

no-reference image illumination assessment metric.
If I use this equation how can find no-reference image illumination assessment metric value.Is it possible to find without t...

meer dan 3 jaar ago | 1 answer | 0

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Question

finding EME of an image
I have an image I need to find the the measure of enhancement(EME) .How can find that. If I use use the following equatios how ...

meer dan 3 jaar ago | 1 answer | 0

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Question

contrast gain of an image
I have an image that from an hazy image model,a haze free image.I need to find the contrast gain of this image.How can I find th...

meer dan 3 jaar ago | 1 answer | 0

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Question

Hazy image equation implementation.
I have an hazy image equation. When I am try to implement that equattion I only get a black image only. This is my equation. ...

meer dan 3 jaar ago | 2 answers | 0

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Question

Apply conditions in if statement.
A = []; for ii = 1:length(subSequence) if any(ismember(subSequence{ii},out)) && mod(k-midpoint)<=G+l/2 A{end...

meer dan 3 jaar ago | 0 answers | 0

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Question

Distance between point and an array.
How can I find distance between a point and an n-array elements.

meer dan 3 jaar ago | 1 answer | 0

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Question

Improving the accuracy of a dataset.
Iam using a desicion tree classification method.I need to improve the accuracy,without modifying the dataset.How can I improve t...

meer dan 3 jaar ago | 0 answers | 0

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Question

Apply all steps in whole data set.
clc clear ts = xlsread('ECGFiveDays_TRAIN.xlsx'); p=ts(1:1,2:end); fa = movstd(p ,20,1); secarray = movstd(fa,20,1) ; k=...

meer dan 3 jaar ago | 1 answer | 0

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Question

wirte in excel sheet.
I need to write some arrays in specified rows.I use xlswrite('Book1.xlsx',q,'A11:BI2').But I get the same answer in each rows.Th...

meer dan 3 jaar ago | 2 answers | 0

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Question

Find the index value
I have a an array.I need to find its index value.How can i do that?

meer dan 3 jaar ago | 1 answer | 0

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Question

classification using decision tree
I have A=[0.0218 -0.0324 -0.0107 -0.0324 0.0001 -0.0107 -0.0107 -0.0324 -0.0216 0.0001 -0.0162 -0.0324 ...

meer dan 3 jaar ago | 1 answer | 0

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Question

marking some points.
A=[0.8570, 1.0447 , 1.2136 , 1.3637 , 1.4670 , 1.4576 , 1.3731 , 0.9696 , 0.6505 , 0.2845] B=[1.2136,.2845] p...

meer dan 3 jaar ago | 1 answer | 0