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Out of memory problem

Im running a code that deals with large datasets and i've made it as efficient as i possibly can by deleting any variables that ...

8 months ago | 1 answer | 0

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Obtaining the standard normal z score

Is there an easy way to obtain the standard normal z score with an upper tail probability of 0.05/2 or any number at hand

8 months ago | 1 answer | 0

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Acquiring blocks of data

I have a 100x100 matrix (Matrix A) and ive been trying to get a matrix B. Where each cell in matrix B contains an array of all t...

8 months ago | 1 answer | 0

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Returning values from Blockproc

I used the following code to calculate the mean of blocks of data(compress down my matrix), but i was wondering if there is a wa...

8 months ago | 1 answer | 0

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Setting color to text from a colormap

I have generated the following figure, the numbers are the correlatios from the scatter plot, i was thinking of changing the col...

8 months ago | 1 answer | 0

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Suggestions on how to generate a mask

I have a matrix that is 1440x2880 of remote sensed temperatures from satallites, i was wondering if there is any way that i can ...

8 months ago | 1 answer | 0

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Grabbing points from scatter plot

I have 2 matrices and i plotted them on a scatter plot and i would like to highlight some points from the plot and discard all t...

9 months ago | 1 answer | 0

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Evaluating the probability as a one tailed students t distribution

I have a value “tj” and I would like to evaluate the probability of this value using the students t distribution. I also have ...

9 months ago | 1 answer | 0

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Calling a string from string array

I have an array 1 by 11 which has 11 strings but i wanted to know how can i name the title of one of my plots as the 3rd string ...

9 months ago | 1 answer | 0

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Obtaining the t-P value of the partial correlations

sorry if this sounds stupid, the following picture is from a paper i am reading, i have obtained a matrix of r (the partial corr...

9 months ago | 0 answers | 0

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Obtaining the P values for the t stat

I have both the tstat and the degrees of freedom, is there a quick way to find the P value of a two tailed hypothesis at a signi...

9 months ago | 1 answer | 0

Answered

Obtaining Heteroscedastic regression coefficients and their properties

i managed to figure it out SE = diag(sqrt(E)) where E is the variance-covariance matrix

Obtaining Heteroscedastic regression coefficients and their properties

i managed to figure it out SE = diag(sqrt(E)) where E is the variance-covariance matrix

9 months ago | 0

| accepted

Question

Obtaining Heteroscedastic regression coefficients and their properties

the picture attaches shows the normal regression line results using the fitlm :estimates of the regression coefficients, the Sta...

9 months ago | 1 answer | 0

Question

Is it possible to access the lines of code from a pre built command

I wanted to ask if it was possible to see what lines of code run when a pre built function or command gets run in matlab.

9 months ago | 1 answer | 0

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Converting .tif file into an .ascii file

I have a .tif file that i would like to convert to .ascii . Or a way to be able to convert the .tif file into a numerical matrix...

9 months ago | 0 answers | 0

Question

a figure with only a numeric value

I want to find the correlation between two data sets and just have a figure without any points or anything it just displays the ...

9 months ago | 1 answer | 0

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A subplot with a numerical value

Ive seen the following figure and i wanted to ask if it was possible to have a subplot with only a value like half of the figure...

9 months ago | 1 answer | 0

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Different coloured markers based on values

I have values to be plotted that range from 0 to 0.1 and i would like the markers of the values less than 0.05 be box markers fi...

9 months ago | 2 answers | 0

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Dealing with NaN values when compressing matrix

I have 1000 by 1000 matrix and i want to convert it into a 10x10 matrix, ive found several way on the community that does this. ...

9 months ago | 1 answer | 0

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Referring to specific input in loop

I am writing a function and the input arguments are Data1 Data2 Data3 Data4 .... DataN. I am running a loop from i=1:N and one o...

9 months ago | 1 answer | 0

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A Varying matrix name in loop

I have a loop running from i=1 to N where N is unkown and inputted by the user and the commands in the loop generates a matrix a...

9 months ago | 2 answers | 0

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Optional Function input arguments

I am writing a function and basically it does a set of command on the inputted matrices, How can i specify that the user can ent...

9 months ago | 1 answer | 0

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Compress down a 1000x1000 matrix into a 100x100 matrix

I have a 1000x1000 matrix that contains various values. I would like to compress it down into a 100 by 100 matrix by averaging e...

9 months ago | 2 answers | 0

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Finding the t values of the Student's t test (t1-α,ν)

I have both 1-α and i have v and i was wondering if there is a way to get the t-value directly in Matlab rather than reffering t...

9 months ago | 2 answers | 0

Question

Obtaining the variance-covariance matrix

i wanted to ask if by doing the result will be equal to E as in the equation shown

9 months ago | 1 answer | 0

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Obtaining the Uni-variate 95% confidence intervals

I have Matrix A [1000,1] of variable A readings at 1000 locations, I also have Matrix B [1000,1] of variable B readings at the s...

9 months ago | 0 answers | 0

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Obtaining the Bonferroni 95% confidence interval between two variables

I have Matrix A [1000,1] of variable A readings at 1000 locations, I also have Matrix B [1000,1] of variable B readings at the s...

9 months ago | 1 answer | 0

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Obtaining the Partial Correlation Coefficient

I have Matrix A [1000,1] of variable A readings at 1000 locations, I also have Matrix B [1000,1] of variable B readings at the s...

9 months ago | 0 answers | 0

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Calculating the Regression Coefficient

I have two column matrices that contain data and i wanted to caculate the regression coefficient between the two matrices

9 months ago | 1 answer | 0

Question

only accept odd numbered input arguments

I am writing a function and I would like it to only run if the input argument is odd, is there an easy to specifcy that the inpu...

9 months ago | 1 answer | 0