Questions tagged [frequency]
The rate at which a thing occurs or is found.
frequency
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Step count algorithm in R is double-counting some peaks, is there code I can include to prevent this? [closed]
I have been using a threshold-based step count code in RStudio sourced from Ducharme et al. 2021 "A transparent method for step detection using an acceleration threshold" to count steps in ...
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Length of Longest Subarray With A Consistent Frequency
Given an array A, a subarray of A is called "consistent" if the maximum occurrence of all elements in the subarray is equal to the minimum occurrence of all elements in the subarray. Find ...
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Vibration frequency estimation at pixel level using Event Driven Camera dataset (prophesee)
I'm working on calculating the vibration frequency at each pixel. Using the example dataset (vibration estimation) available in prophesee's website. Can anyone help me with the approach to be used to ...
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Tabulate a column in data.frame ignoring the order of elements in it in R
In my DATA below, I wonder how to table() the variable lang_comb ignoring the order?
For example, "english spanish french" and "french english spanish" are to be considered ...
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How to resolve differences between FFT frequency and real frequency after using scipy.fft.fft() in Python?
I am trying to perform a Fourier analysis on a randomly generated linear combination of sinusoids. I am operating on a timescale from 0 min to 860 min (i.e. a total of 861 timepoints), and my ...
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MATLAB: Filter for a specific frequency in a time-based signal
I am trying to filter for a frequency of e.g. ~3.1Hz in a time-based signal which contains various frequency components (including the ~3.1Hz).
I tried to build a bandpass filter with a lowpass and a ...
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R frequency table, how do I count observations only if first observation by other variable
I have a table in which I need to count the number of patient having a certain condition, or if not or if no info is available. Ideally, for each patient, there is the same information about cond in ...
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Creating a frequency schedule that updates dynamically based on start date & cadence
I'm looking to create a frequency schedule that highlights when each activity should be performed throughout the year based on the dropdown cadence (daily, monthly, quarterly, semi-annually) and the ...
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Transpose Multiple Columns in SAS
I have a dataset which looks like this:
Account Number 6m 7m 8m 9m 10m 11m
1 Better X < 10 X < 10 Better X < 30 X < 30
2 X < 10 ...
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Use Array in SAS proc freq?
I am doing an exploratory analysis to see if any variables are associated with someone "switching" from one type of treatment to another. I am running fisher's exact tests (because of a ...
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need to check frequency of voice from microphone in flutter
I am new to flutter I need to get frequency of voice from microphone, Below is code I used but didn't get any needful answer.
I used a package called fftea for fourier transformation in flutter.
I ...
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Frequence Scatter plot?
I have a frequence table for females and males.
t1 <- table(PainF$task_duration)
t2 <- table(PainM$task_duration)
Females
30 40 45 60 65 70 75 78 80 90 95 100 101 120 144 150 180 185 ...
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How to identify the proportion of frequency reduction of a process caused by AVX instructions?
Different types of AVX instructions can cause a decrease in CPU frequency[1]. The proportion of this decrease can be evaluated through the PMU events called `CORE_POWER.LVL0/1/2_TURBO_LICENS.
However, ...
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English character frequency calculation
I've written code to perform character frequency analysis on strings by taking the standard ETAOIN SRHD... frequencies of english character occurrence and I have two questions.
Is this the most ...
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Different class intervalls (breaks) according to specific values in the histogram
I would like to create class intervals in the histogram according to the Body mass index (BMI) classification, and color the columns.
The categories are:
Underweight (Severe thinness) < 16.0 -> ...
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