# Kristin Aldridge

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**Content Feed**

Question

Error using sgtitle?

I have a subplot with four graphs I'm trying to put my figures title over.. sgtitle('Mean Times per Group',['Over 37.5 = ' num2...

6 meses ago | 2 answers | 0

### 2

answersQuestion

How to separate a vector into two different vectors?

I have a vector named "age_vec" that I would like to piece into two groups, those above 37.5 and those below, and place those nu...

6 meses ago | 4 answers | 0

### 4

answersQuestion

Any cool data analysis ideas I can add to my project?

I have a pretty simple project, compare reaction times (we used tic and toc commands) of a red and blue flashing box to age and ...

6 meses ago | 0 answers | 0

### 0

answersQuestion

How to make a bar graph out of the first and second column of a matrix?

I have matrix sleeprxn2= [ 0 0.6229 1.0000 0.3404 1.0000 0.2744 ] ...

6 meses ago | 1 answer | 0

### 1

answerQuestion

Is there a way to find the mean of every other number in a vector and compare it to every other number in another vector?

I'm working on a project where we are recording reaction times to flashing colored red and blue squares. We show each one twice,...

6 meses ago | 1 answer | 0

### 1

answerQuestion

Need help verifying I have the correct polyfit line for my function.

Question: Ps7.mat contain scores for 100 subjects on two different tests. Use the linear regression function you wrote in class ...

6 meses ago | 1 answer | 0

### 1

answerQuestion

How to use the double function for background subtraction?

I have a script that creates a "moving box" and I need to write my own background subtraction code to find the position of the b...

6 meses ago | 1 answer | 0

### 1

answerQuestion

"find" is not finding what I want it to?

I have a data set of 8341 numbers and I want to create two vector of the numbers between 3 and 200, and another of the numbers o...

6 meses ago | 2 answers | 0

### 2

answersQuestion

How to use regionprops to find areas of specific size, and draw an ellipse around them of different colors?

I have a script that finds all the "nuclei" of an image, but I want to exclude pixels less than three or greater than 200 and dr...

7 meses ago | 1 answer | 0

### 1

answerQuestion

Looking to set thresholds to an image but running into issues with the subplot?

%"sobelpic" is the name of the image. %I'm getting an error that my subplot is too large. %I'm thinking that I need to manipu...

7 meses ago | 1 answer | 0

### 1

answerQuestion

When using fspecial my figure/picture just ends up as a blue square?

I have a picture (.tif) that I'm trying to filter to see the nuclei in since it is very faint and in black and white. However, w...

7 meses ago | 2 answers | 0

### 2

answersQuestion

How to make negative degree numbers positive while maintaining degree.

I'm trying to use if avg_deg < 0, avg_deg = avg_deg+360; end but it isn't working. I don't want to use abs because I wan...

7 meses ago | 1 answer | 0

### 1

answerQuestion

Function keeps running into errors when I call it

Hello, I am running into errors when I try and call my function below by using [phivalues] = findphases(wpeakt,hpeakt) %...

7 meses ago | 1 answer | 0

### 1

answerQuestion

How to plot my sine waves in one graph, one right after another with 100ms in between and not on top of each other?

I have a number of sine waves I need to plot one following the other, with 100 ms in between each, but I keep getting all of the...

7 meses ago | 1 answer | 0

### 1

answerQuestion

Four different outputs keep ending up with the same "answer" when I don't believe they're supposed to.

I am trying to plot the path of 1 particle for 100 steps, running 100 runs, with the option for it to go up,down,left, or ri...

8 meses ago | 1 answer | 0

### 1

answerQuestion

Error : In an assignment A(:) = B, the number of elements in A and B must be the same, used in homework equation. Please help me figure out how to solve.

1) For each fish, you want to find the mean of each row and store that number in a vector. You try this: for i =1:length(rows) ...

8 meses ago | 1 answer | 0

### 1

answerQuestion

How to relate data to other data from excel in MatLab?

Hello, I have some data from excel in column A (Species) that I need to related to column B (height) Species ...

8 meses ago | 1 answer | 0

### 1

answerQuestion

How to use one data set to find the mean of another?

I have a data set (neighbors) and a data set (height) where I need to find the mean of the height of the plants that have 1 neig...

9 meses ago | 2 answers | 0