Payel

Last seen: 4 months ago | Active since 2023

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I have 2 datasets each containing 1000 observations. I want to calculate quantiles of each dataset separately and then plot a qqplot between them. How to do? steps required
I have 2 datasets each containing 1000 observations. I want to calculate quantiles of each dataset separately and then plot a qq...

8 months ago | 1 answer | 0

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Question

how to change the marker style of qq plot? If i do it in the same way as that of line plot then it shows error as too many input arguments.
how to change the marker style of qq plot? If i do it in the same way as that of line plot then it shows error as too many input...

8 months ago | 1 answer | 0

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Question

how can i fit gumbel distribution to a dataset using only gevfit and setting shape parameter as zero. does this function estimate parameter based on mle?
how can i fit gumbel distribution to a dataset using only gevfit and setting shape parameter as zero. does this function estimat...

8 months ago | 1 answer | 0

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Question

How to make a 2 parameter Generalized Pareto distribution? steps required
How to make a 2 parameter Generalized Pareto distribution? steps required

8 months ago | 1 answer | 0

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if i use GEV to fit to a dataset then can i separately apply weibull distribution to the same dataset? when shape parameter is <0 in GEV,then it indicates weibull distribution
when i fit weibull distribution to a dataset using distfit it has 2 parameters. but while using gevfit it computes 3 parameters....

8 months ago | 1 answer | 0

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Question

I want to select a bestfit bivariate Archimedean copula out of 3 to a dataset. I also want to calculate its parameter.for all this which i should use copulafit or copulaparam
I want to select a best-fit bivariate Archimedean copula to a dataset. which function to use? I also want to calculate its para...

8 months ago | 1 answer | 0

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Question

Counting zeros which are lying between nonzero elements by considering consecutive zeros as a single element in a matrix
I have a (4x8) matrix as A=[1 0 1 1 1 0 0 1;0 1 0 1 1 0 1 0;0 0 1 0 0 0 0 0;1 0 1 1 0 0 1 1] I want to calculate the number o...

11 months ago | 5 answers | 0

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How to fit multiple distributions of the same type to the sample data based on grouping variables? Brief the steps
How to fit multiple distributions of the same type to the sample data based on grouping variables? Brief the steps

11 months ago | 1 answer | 0

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Calculation of y axis values or cdf values from given x axis values using another plot of best fit cdf
I have calculated the cdf of best fit distribution. Now I have some x axis values. I want to get their corresponding y axis valu...

12 months ago | 1 answer | 0

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I have a dataset containing daily rainfall values which has some zero values in it. Can i fit lognormal, exponential, gamma, beta distributions to this? How to do so stepwise?
I have a dataset containing daily rainfall values which has some zero values in it. Can i fit lognormal, exponential, gamma, bet...

12 months ago | 1 answer | 0

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How to fit lognormal distribution to a dataset which contains some zero values?
How to fit lognormal distribution to a dataset which contains some zero values?

12 months ago | 2 answers | 0

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How to calculate empirical cumulative distribution function of a dataset? If I use ecdf function then why the number of datapoints are decreasing? Is there any other formula?
How to calculate empirical cumulative distribution function of a dataset which is a (18993x1) matrix? If I use ecdf function the...

12 months ago | 1 answer | 0

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What are the steps and functions to be followed to fit copula to a dataset. How to determine the best fit copula for the dataset? Brief the steps in detail.
What are the steps and functions to be followed to fit copula to a dataset? How to determine the best fit copula for the datase...

12 months ago | 1 answer | 0

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Question

I have 2 datasets each of a (12x12) matrix. I want a qqplot between 2 datasets. Brief the functions to be used in detail . Do i need to fit any distribution and then plot?
I have 2 datasets each of a (12x12) matrix. I want a qqplot between these 2 datasets. Brief the steps and the functions in detai...

12 months ago | 1 answer | 0

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Question

How to fit Gumbel extreme value distribution to a dataset? Can it be done using fitdist? Or how to use method of moments to fit gumbel distribution? Detailed steps required
How to fit Gumbel extreme value distribution to a dataset? Can it be done using fitdist? Or how to use method of moments to fit ...

12 months ago | 1 answer | 0

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Question

How to check which distribution (normal or exponential or gamma) fits best to a data set? Which function to use for this?
I have a dataset. I have fitted normal,exponential and gamma distribution to this dataset. Now I want know which distribution fi...

12 months ago | 3 answers | 0

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How to count number of only those zeros which are lying between 2 one's in a very simplified way in the given matrix?
a = [0, 0, 0, 0, 1, 1, 1, 1, 0, 0 ,0 ,0 ,0 ,0 ,0 ,1 ,1, 1, 1 ,0 ,0 ,0 ,1 ,0 ,0 ,1 ,1 ,1 ,1 ,1 ,0, 0, 1, 1, 1, 1, 1, 0, 0,];

1 year ago | 2 answers | 0

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How to find the number of continuous data set along each row in the matrix given below? Desired result given below.
V =[0 0 1 1 1 0 1 1;1 1 0 0 0 0 1 1;0 0 1 1 1 0 0 0;1 1 1 0 0 1 1 1;0 1 1 1 0 0 1 1;0 1 1 0 0 1 1 0;0 1 1 1 1 1 1 0] desired_re...

1 year ago | 1 answer | 0

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I have a matrix given below. I want to count the number of sets of consecutive non zero values along each row. Detailed description and desired result given below
A = [0 0 3 4 1 0 7 8; 6 0 0 4 5 1 0 0] In the first row there are 2 sets of consecutive non zero values i.e. First set of...

1 year ago | 2 answers | 0

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How to calculate the mean and standard deviation of the following matrix considering only the nonzero values of the matrix ?
A=[2 3 5 16;0 8 7 0;19 4 6 0;14 0 0 9]

1 year ago | 1 answer | 0

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Question

I have a matrix. I want to count number of only those zeros which are lying between 2 sets of consecutive nonzero values on each side. How to do? Desired result given below
d=[0 0 3 4 1 0 7 8;6 8 0 4 5 1 0 0;0 0 0 0 0 0 0 2;2 0 0 4 5 0 6 4;7 2 0 0 2 1 0 0;12 6 0 0 0 4 8 2]; desired_no_of_zeros=[1;1;...

1 year ago | 5 answers | 0

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I have a 5x6 matrix. I want to calculate sum of only those values which are consecutive nonzero along each row. How to do that? The desired result given in description box.
a = [2 3 1 4 0 0; 0 0 0 0 0 0; 0 0 1 5 7 0; 0 0 0 0 4 0; 4 5 0 0 6 8]; desired_result = [10;0;13;0;23]

1 year ago | 2 answers | 0

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I have calculated 4 standard deviation values for each row of a 4x3 matrix. How to convert these 4 values into a single standard deviation value for the whole matrix?
a=[2 3 5;12 67 54;3 7 8;14 9 23] b= std(a,0,2)

1 year ago | 3 answers | 0

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Generate 2 random numbers x and y for 10 times in a loop. x can take any value in the range of (0,1) but y is conditioned on x such that y assumes any number between (0,1-x)
for i=1:10 random_x=rand random_y=

1 year ago | 3 answers | 0

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Suppose i have a matrix (2x4) A=[1 2 3 4;5 6 7 8] and i want to change it into this matrix [1 2;3 4;5 6;7 8]. How to do that?
A= [1 2 3 4;5 6 7 8] Output needed B= [1 2;3 4;5 6;7 8]

1 year ago | 3 answers | 1

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Payel

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