Community Profile

photo

Ive J


Last seen: Today Active since 2013

Computational biologist.

Statistics

All
  • 6 Month Streak
  • First Submission
  • GitHub Submissions Level 1
  • Knowledgeable Level 3
  • First Answer
  • Thankful Level 2

View badges

Content Feed

View by

Answered
Save variable from struct to excel file
You have 3 conditions: each row in 'errors' corresponds to each condition. However, each row in 'distractors' is another matrix ...

4 días ago | 0

| accepted

Answered
Subtracting Matrices in Special way
There should be a simpler way, but this works: A=[1 10 12;2 12 3; 3 15 4; 4 16 7; 5 18 9; 6 10 10; 7 12 9; 9 5 6]; B=[3 9 8; 4...

5 días ago | 1

| accepted

Answered
Why is fitlm affected by variable scale?
Well, the real question would be why not? You have introduced interaction terms to the model. Two models test different hypothe...

5 días ago | 0

| accepted

Answered
Repeated Measure ANOVA 2x2
You can follow this example: % response was measured under two different conditions: c1 and c2 measured in two different time p...

9 días ago | 2

Answered
Is it possible to make the background of a polar histogram transparent?
One way that comes to my mind is to save it as eps (or pdf): set(gcf, 'color', 'none'); set(gca, 'color', 'none'); exportgrap...

13 días ago | 0

| accepted

Answered
I need help in the code. what am I doing wrong?
This may help: fnc = @(url) regexp(url, "(?<=https?://)(.*?)[^:]*", 'match'); fnc('https://en.wikipedia.org:443/wiki/Kitten?...

13 días ago | 0

Answered
How to find the row wise linear regression coefficients?
nsample = 29; nvar = 3420; % sample data y = rand(nsample, nvar); x1 = rand(nsample, nvar); x2 = rand(nsample, nvar); x...

alrededor de 1 mes ago | 0

| accepted

Answered
Plotting statistics for a table
Try this, but note that your variables are highly skewed, so you should try boxplot or boxchart (median and IQR instead of mean ...

alrededor de 1 mes ago | 0

| accepted

Answered
How can I speed up this indexing code?
Avoid comparing strings within the loop and instead take advantage of the index vector from unique: a = ["A", "B2", "A", "C", "...

alrededor de 1 mes ago | 0

| accepted

Answered
How to use two data unit length in the plot function?
Either transform your data (e.g. log transformation), or break X-/Y-axes. There are several FEX already out there: mathworks.co...

alrededor de 1 mes ago | 1

Answered
Applying text with variable on a plot
I don't have your dataset but you can follow this example: plot(3:10, (6:13).^2, 'k.-', 'LineWidth', 1.5) Rsq = 0.64645; h ...

alrededor de 1 mes ago | 0

| accepted

Answered
filter cell array with strings
Try to work with tables, they're more versatile. Also check groupfilter for more advanced filtering schemes. tab = array2table(...

alrededor de 1 mes ago | 0

| accepted

Answered
Merging rows of a matrix into a number
See here https://mathworks.com/matlabcentral/answers/299422-converting-a-double-into-a-matrix-of-its-digits#answer_231586 C = [...

alrededor de 1 mes ago | 1

| accepted

Answered
Ignore missing data in a table group
As Johan also suggested you may use omitnant flag. Also, consider using groupsummary and groupfilter : m = groupsummary(T, 'C',...

alrededor de 1 mes ago | 0

| accepted

Answered
how to search specific data from matlab to excel
tab = readtable('myExcel.xlsx'); % see doc for more options tab(ismember(tab.(1), 'R1280XS'), :) % the row at which the input...

alrededor de 1 mes ago | 1

| accepted

Answered
Check for coordinate pairs matches in .mat file
Assuming both x and y are vectors of same length, this might work: x = randi([0 5], 10, 1); y = randi([0 5], 10, 1); myPair...

alrededor de 1 mes ago | 0

Answered
How can I create an array from the past values in a loop?
something like this? n = 10; str = strings(n, 1); for i = 1:n % do whatever str(i, 1) = gimmeMystr; end

alrededor de 1 mes ago | 0

Answered
Plot the slope of a parabola with only the data points being known
Before fitting, it's a good practice to visualize your data to better understand the rough relationship between your variables. ...

alrededor de 1 mes ago | 1

Answered
How to plot a function with summation and multiple variables?
Start by understanding MATLAB a bit better. For the time being this may help you: myfnc = @(A, s, t, i, T0, tau) sum(A.*s.*(t -...

alrededor de 1 mes ago | 0

Answered
Handle error from input
AFIK input doesn't let you control the error behavior. The better approach would be to return it as a string, and validate it: ...

alrededor de 1 mes ago | 0

Answered
fileDatastore using for loop and scatter
You are not even reading your csv files; you just read the same file file4.csv over and over! Try this: fds = fileDatastore('*....

alrededor de 1 mes ago | 0

Answered
mean from intersection matrix
This should work: a = [1,3,3,2,2,3,3,4,3,1,3]; b = [1,1,1,3,4,1,2,1,4,1,1]; c = [2,2,2,4,2,3,3,2,1,3,8]; x = [a; b]; [~, ...

alrededor de 2 meses ago | 0

| accepted

Answered
Read from and make new based on positions
Why not this? G = [0 115 0 0 0 0 0 0 0 0 111 0 0 0 0 110 0 0 0 110 0 0 0 0 82 0 0 0 0 111 0 0 0 111 0 0 0 0 0 0 0 0 0 87 114...

alrededor de 2 meses ago | 1

| accepted

Answered
Bar plot error when plotting
The main problem is that your tick labels are too long to fit under the axes. You can try something like this: figure('Name', '...

2 meses ago | 0

| accepted

Answered
Open .m files in current MATLAB instance from Windows Powershell
Try this function addME(a, b) fprintf("sum a + b equals %.2g\n", a + b) end Then from powershell (assuming your PS insta...

2 meses ago | 0

Answered
What equivalent MATLAB commands plots PDF of data like 'hist' command plots histogram of data.
Something like this should work: data = normrnd(10,1,100,1); pd = fitdist(data, 'Normal'); x_values = 5:0.1:15; y_values = p...

3 meses ago | 0

Answered
scatter plot data that meet a condition
% some random values A = randi([0, 100], 8, 2000); F = randi([0 1], 8, 2000); F = logical(F); % convert your flag to logical ...

3 meses ago | 1

| accepted

Answered
How to calculate for significant difference between Cohen's Kappa values?
You can build confidence intervals around your Kappa values, and then see if they overlap.

3 meses ago | 0

Answered
How to know which distribution is BCa method form bootci assuming my data follows
To my understanding BCa tries to correct for bias and skewness (acceleration, calculated from jackknife sampling) in the distrib...

3 meses ago | 1

Answered
Is there a way to turn off the scale over the graph
h = gca; h.Box = 'on'; h.XAxis.TickLength = [0 0];

3 meses ago | 0

| accepted

Load more