Macy

Last seen: plus de 2 ans il y a | Actif depuis 2023

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Question

How can I organize data into monthly means/averages across all years? And then plot it in a bar graph?
Hello, I would like to make a barplot of average monthly number of students, in other words the mean of the total students acros...

plus de 2 ans il y a | 1 réponse | 0

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Question

Simple question, how to read in a color band file?
Hi, I am very new to image manipulations and MatLab. How do I properly read in a color band into MatLab. For example, I have thr...

plus de 2 ans il y a | 2 réponses | 0

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Question

How to sharpen an image? Sharpening filter kernel.
Hello, the following is an example of a smoothing filter kernel. How can I make a sharpening filter kernel? smoothingfilter=[1/...

plus de 2 ans il y a | 1 réponse | 0

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Question

Linear contrast stretch to image?
Hi, I am very new to image manipulation and MatLab. I am asked to perform a linear contrast stretching on an image using the de...

plus de 2 ans il y a | 1 réponse | 0

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Question

How to get subset of data from given thresholds?
Please help, here is a snippet of code. There are three different thresholds that I have to make subsets of data for: 1)NZE > ...

plus de 2 ans il y a | 1 réponse | 0

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Question

How to apply the same style/color and axes labels to all subplots?
Hello, here is a snippet of code. The LineStyle, Color, Xlabel and Ylabel are the same for all four subplots. Is there a way to ...

plus de 2 ans il y a | 2 réponses | 0

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Question

How to condense this code for plotting cdfs? How to use a for loop to plot lines.
Hello, I am new to MatLab and have a lot of code that I would like to condese/make easier to plot. The following code makes one ...

plus de 2 ans il y a | 1 réponse | 0

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Question

How do I make an image of numbers using imagesc? Change values in the matrix?
Hello, I am new to MatLab and manipulating matrices. I have been instructed to make a 2-D matrix 700x400 of any non-zero numbe...

plus de 2 ans il y a | 2 réponses | 0

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Question

How to calculate R^2 using 1 - (SSR/SST)? For normal fit distribution.
Hello, I have used the fitlm function to find R^2 (see below), to see how good of a fit the normal distribution is to the actual...

plus de 2 ans il y a | 1 réponse | 0

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Question

CDF values are on a scale of 0 to 1, how to scale?
Hello, I made a normal fit distribution for some data called "actual_values". The plot came out fine. Now how do I display th...

plus de 2 ans il y a | 1 réponse | 0

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Question

How can I scale CDF normal distribution values to match actual data? Calculating R^2?
Hi everyone, How can I calculate R^2 for the actual data and the normal fit distribution? The problem I am having is my normal f...

plus de 2 ans il y a | 1 réponse | 0

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Question

How to plot empirical cdf and fitted distributions cdfs?
Hi, want to make one plot with the empirical CDF and three additional distributions CDFs (normal, lognormal, and weibull) to vis...

plus de 2 ans il y a | 1 réponse | 0

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Question

Ranking numbers in a table and manipulating by division.
I am trying to manually calculate non-exceedance probabilities of each value x. How can I rank the values in this table from sma...

plus de 2 ans il y a | 1 réponse | 0

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Question

Is there a function to determine the non-exceedance probability of each value in the table?
Table = readtable("practice3.xlsx"); x = Table.values

plus de 2 ans il y a | 2 réponses | 0

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Réponse apportée
How to make a simple plot with two lines?
@Paul thank you, this saved me a lot of time as I was trying to do it using a for loop.

plus de 2 ans il y a | 0

Question

How do I make a simple table in MatLab? Skew function?
Hello. How can I make a table that displays the mean and median of "students" and "courses"? Also, is there a way to calculate ...

plus de 2 ans il y a | 1 réponse | 0

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Question

How to make a simple plot with two lines?
Hi. I am new to MatLab. I want to make a plot with two lines for 2001 and 2003 group of schoolyear vs students. (Please note, no...

plus de 2 ans il y a | 3 réponses | 0

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Question

How to make a line-plot? Time series
Hi there, simple question. This is a subset of a larger dataset. How do I make a lineplot of the schoolyear 2000 and 2002 "stude...

plus de 2 ans il y a | 2 réponses | 0

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Question

How do I sum the values of sections of a table?
Hi there. I have this data, for which I created a new vector called schoolyear. How do I sum the total number of students for ea...

plus de 2 ans il y a | 2 réponses | 0

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Question

How to use if/then to create a vector using values from a table.
Hi, I am new to MatLab and coding in general. Here, I wish to assign a "schoolyear" to each data point. If the table_a.month fal...

plus de 2 ans il y a | 2 réponses | 0

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Question

How to use if/then to assign a year to a set of dates?
I would like to add a new vector called "school_year" that assigns a year to each point. In this case, a school year will be con...

plus de 2 ans il y a | 2 réponses | 0

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Question

How do I input a table column of values into a formula?
Hello, I am new to MatLab. Here is some simple code I would greatly appreciate some help on. I am given an excel spreadsheet o...

plus de 2 ans il y a | 1 réponse | 0

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Question

How do I change a date in a cell into three cells in MatLab xlsx file?
I have an excel file that has a column of dates in an examples such as follows: 01-Oct-2022 How do I change it into three colum...

plus de 2 ans il y a | 1 réponse | 0

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Question

How do you save for loop plots to the correct directory?
%Hello, this is very simple code but I am completey new to MatLab. Help! points = [1:3] color = ["r", "g", "b", "m", "b"];...

plus de 2 ans il y a | 1 réponse | 0

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Question

How do I save for loop plots to a figure directory?
I am completely new to MatLab. I was intructed to create a string variable that contains the name of a directory I made (a folde...

plus de 2 ans il y a | 1 réponse | 0

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