Question

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...

2 years ago | 1 answer | 0

Question

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 ...

2 years ago | 1 answer | 0

Question

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 ...

2 years ago | 1 answer | 0

Question

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...

2 years ago | 0 answers | 0

Question

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...

2 years 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

2 years 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...

2 years 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.

2 years ago | 1 answer | 0

Question

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...

2 years 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 ...

2 years ago | 1 answer | 0

Question

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...

2 years ago | 1 answer | 0

Question

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...

2 years ago | 2 answers | 0

Question

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. ...

2 years ago | 1 answer | 0

Question

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...

2 years ago | 1 answer | 0

Question

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...

2 years ago | 2 answers | 0

Question

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...

2 years ago | 1 answer | 0

Question

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...

2 years ago | 3 answers | 1

Question

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...

2 years 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

2 years ago | 1 answer | 0

Question

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...

2 years ago | 0 answers | 0

Question

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...

2 years ago | 1 answer | 0

Question

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...

2 years ago | 0 answers | 0

Question

Calculating the Regression Coefficient

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

2 years 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...

2 years ago | 1 answer | 0

Question

Average of the nine surrounding cells

I have two matrices, matrix1 contains genuine data and matrix2 is filled with 0's and a few 1's, i wanted to know if there is a ...

2 years ago | 1 answer | 0

Question

lat long radius to XYZ

i have the following matrix that contains latitude, longitude and radius of a planet and i would like to convert to xyz and plot...

3 years ago | 1 answer | 0

Question

Clearly distinguishing different regions

i have the following map which shows different regions with relatevely close values and so the regions are very similarly colour...

3 years ago | 0 answers | 0

Question

binning a matrix down

i have 2 different matrices, one thats 3220x6440 and the other is 1440x2880 and i would like to directly compare them and so i n...

3 years ago | 1 answer | 0

Question

converting 3 arrays into matrix

i have 3 different arrays x,y and z and i would like to create one matrix M where the M(i,j)=z(i) and i and j in M are the corre...

3 years ago | 2 answers | 0

Question

Moving from C drive to D drive

Ive been using Matlab for sometime know and all my files were saved in my documents (C Drive) and now this drive is full and i w...

3 years ago | 1 answer | 0