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Nina Perf


Last seen: en dag ago Active since 2021

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Help normalizing data in table
Hi, I have a 100x6 Table with 6 variables. I want to center the data so that it has mean 0 and standard deviation 1, using th...

en dag ago | 1 answer | 0

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answer

Question


Conditions else if - efficiency advice
Hi, I want advice on how to make this code more efficient. We have2 groups S and T. For each I want to attribute the aS or a...

9 dagar ago | 1 answer | 0

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answer

Question


Convert x axis to seconds
Hi, I need help converting the last 2 plots (plot 2 and plot 3) x axis, to the time domain in seconds, given a data signal with...

12 dagar ago | 1 answer | 0

1

answer

Question


Extracting data cell that match specific strings in different columns
Hello! I have a table, T, with the following variable names: Type, Ta, Sub, Day, Try, Data I ask the person for these differe...

ungefär en månad ago | 1 answer | 0

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answer

Question


FFT plot in frequency domain, error help
Hi, I did a myfft function in order to plot the (PSD,f) of a signal: 10696x1 double [f, ~, ~, psd, ~] = myfft(Data, fs);...

ungefär en månad ago | 1 answer | 0

1

answer

Question


Converting values to g
Hello, I need help converting values of an Accelerometer sensor. It has 12gb so the values are from 0 to 4096. I need to con...

2 månader ago | 1 answer | 0

1

answer

Question


Units help to plot
I want to convert values in a table column to a range of -1 to 1 units. My -1 value is -800 My 0 value is 300 My 1 value i...

3 månader ago | 1 answer | 0

1

answer

Question


Convert units to g
Converting to g

3 månader ago | 1 answer | 0

1

answer

Question


Feature Selection using ReliefF function
Hello, I am using the ReliefF feature selection in around 700 features (1 table column is one feature). I am getting an error t...

3 månader ago | 0 answers | 0

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answers

Question


Histogram occurences per age problem
Hello, I have a table with persons data. I have the ages in one column and I wanted to do an histogram like the one bellow. Ho...

3 månader ago | 1 answer | 0

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answer

Question


Using barh to plot top 10 values in Feature Selection
Hello, I did Feature Selection of 700 features. I want to bar plot only the top 5 (with highest predictor rank). Can you pl...

3 månader ago | 1 answer | 0

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answer

Question


Error Concatenating multiple tables
I need to concatenate multiple tables vertically. All tables have the same Variable Names in the columns and they have the same ...

4 månader ago | 1 answer | 0

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answer

Question


for loop help with loop range
I nedd help with the following: Thank you!

4 månader ago | 1 answer | 0

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answer