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Why does my log-normal distribution not fit my data?
David McVea · Apr 12, 2022 · lognpdf , lognfit , log normal distrib... , AI, Data Science, and Statistics , Statistics and Mach

Hello,   I am fitting some realively simple data with a log normal distribution.   I am then generating a probability distribution from that fit.   Shouldn't this roughly match …

Include "a" character in a wordcloud
Lairenlakpam · Apr 12, 2022 · wordcloud , uniqueword , stopword , AI, Data Science, and Statistics , Text Analytics Toolbox

I am just trying to plot a simple wordcloud of grades which has a grade string, say, grade='DBBBDBEFBFFASBCBABCCSBCAABBCBACDBFDBAFDAACAFAACABBFABCBAACF' when I plot it using,    …

Is there a way to configure the %d in fprintf function to
Bilge Kaan · Apr 11, 2022 · AI, Data Science, and Statistics , Text Analytics Toolbox , Text Data Preparation , exponential

Is there a way to configure the %d in fprintf function to use exponential notation when writing to a text file? As far as I can see, when the fprintf command is used with %d MATLAB…

Does predict function work in parallel when predicting k-nearest neighbour?
Moritz Hesse · Apr 11, 2022 · AI, Data Science, and Statistics , Deep Learning Toolbox , Deep Learning in Parallel and in the

Hi ,   I have a k-nearest neighbour classifier which I have trained with fitcknn. I am wondering, when predicting labels on the model using predicit does it work in parallel?   I…

How do you fit a gamma distribution?
Bhekisizwe · Apr 11, 2022 · gamma distribution , random data pdf fi... , AI, Data Science, and Statistics , Statistics and Mach

Hi There How do you fit a gamma distribution to random data while fixing one of the gamma distribution parameters? Lets say we fix the shaping factor k for example and try to find …

Predictor Importance for Bagged Trees in Classification Learner App??
Ciara Sypherd · Apr 9, 2022 · AI, Data Science, and Statistics , Statistics and Machine Learning Toolbox

Hello,   I have sucessfully used BaggedTrees in the classificationLearner app to classify my data. I would now like to know (and show) which of my predictors are most useful in de…

extract data from EEG text file
D. Ali · Apr 9, 2022 · eeg , matlab , extract , AI, Data Science, and Statistics , Text Analytics Toolbox

I need help to write script to exatrct MCAP samples with time it occured in seaerate file and plot so I can use these sampes ton signal procsing application on maltlb this is only …

Extract data from text file
matlabefd · Apr 9, 2022 · text file , extract data , data extraction , AI, Data Science, and Statistics , Text Analytics Too

I have this 'sample data' data not in the right form. I need to read this text file and extract the data and tabulate it in the order as shown in figure below. I am not sure how ca…

Neighbors of a pixel
Efstathios Kontolatis · Apr 9, 2022 · mean of neighbors , image processing , AI, Data Science, and Statistics , Deep Learning Toolbox

I want to calculate the mean of the neighbors of the pixels in an image. I want to do it for all pixels not only the internal ones. That means for example that I want to calculate …

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