Percentile Matlab (2024)

Table of Contents
1. Percentiles of data set - MATLAB prctile 2. 90% Percentile of Matrix - MATLAB Answers - MathWorks 3. Percentiles without Statistics Toolbox - MATLAB Answers 4. prctile function vs excel percentile - MATLAB Answers - MathWorks 5. Finding top and bottom 10% of data - MATLAB Answers - MathWorks 6. Percentile of a value based on array of data - MATLAB Answers 7. How do I extract the values of my data that constitute a certain percentile? 8. plot cdf and calculate 90th percentile value - MATLAB Answers 9. Returns weighted percentiles of a sample - File Exchange - MathWorks 10. Inverse Percentiles of a sample. - File Exchange - MATLAB Central 11. how to calculate the 99th percentile in matlab - gistlib 12. Finding the percentile of a time series - MATLAB Answers - MathWorks 13. How do I generate a pdf from some known percentile values - MathWorks 14. Getting a percentile from a histogram - MATLAB Answers - MathWorks 15. Find percentile corresponding to an input value - MATLAB Answers 16. Calculating Percentile from a pdf - MATLAB Answers - MathWorks 17. How to calculate the statistics/ percentile in julia - General Usage 18. How to calculate the quantiles/percentiles values for ... 19. Some assorted MATLAB functions - Cris' Image Analysis Blog FAQs References

1. Percentiles of data set - MATLAB prctile

  • Prctile

  • This MATLAB function returns percentiles of elements in input data A for the percentages p in the interval [0,100].

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2. 90% Percentile of Matrix - MATLAB Answers - MathWorks

  • Aug 17, 2020 · Hi! I am trying to find a way to calculate the 90% percentile of a matrix (1,n) . I provide an example below, and the value I would need to ...

  • Hi! I am trying to find a way to calculate the 90% percentile of a matrix (1,n) . I provide an example below, and the value I would need to find is 0.292. (Note the matrix will changes in length). ...

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3. Percentiles without Statistics Toolbox - MATLAB Answers

  • Nov 26, 2020 · Direct link to this question ... Hi,. I have a bunch of histograms from which I need to extract some percentiles (10th, 50th and 90th). I know ...

  • Hi, I have a bunch of histograms from which I need to extract some percentiles (10th, 50th and 90th). I know about the prctile function, but it requires the Statistics Toolbox in Matlab which ...

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4. prctile function vs excel percentile - MATLAB Answers - MathWorks

  • Mar 24, 2015 · In MATLAB, it is treated as the 90th percentile. Think of it as if you put each of those numbers into bins. In MATLAB, when you have 5 numbers, ...

  • Hi, when I run the below, A = [ 0.02; 0.01 ; 0.01; 0.01 ; 0.04 ]; B = prctile(A,99.95); I get B = 0.0400, which seems rounded. In excel the same percentile function produces a res...

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5. Finding top and bottom 10% of data - MATLAB Answers - MathWorks

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6. Percentile of a value based on array of data - MATLAB Answers

  • Mar 8, 2015 · Hello! I have an array with historical data and would like to know where an exogenous variable fits in this array using percentile. Let's ...

  • Hello! I have an array with historical data and would like to know where an exogenous variable fits in this array using percentile. Let's assume a vector with 1:1000 and 950 as a given, the ...

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7. How do I extract the values of my data that constitute a certain percentile?

  • Feb 28, 2019 · I have been using the 'prctile' function in MATLAB R2017b to find certain percentiles of my data. I am wondering if there is a way to ...

  • I have been using the 'prctile' function in MATLAB R2017b to find certain percentiles of my data. I am wondering if there is a way to automatically return the values that constitute these p...

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8. plot cdf and calculate 90th percentile value - MATLAB Answers

  • Oct 22, 2020 · now in the plot i need to show the line representing the 90th percentile value as shown in the below figure. i.e. the line corresponding to ...

  • hello all , i have a variable z_cdf attached; prctile(z_cdf,90) % answer is 30.9361 now using z_cdf i am trying to plot cdf. [f,x] = ecdf(z_cdf); plot(x,f,'HandleVisibility','off','color',[1 ...

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9. Returns weighted percentiles of a sample - File Exchange - MathWorks

  • Share 'Returns weighted percentiles of a sample'. Open in File Exchange. Open in MATLAB Online.

  • Returns weighted percentiles of a sample with six algorithms given weight vector

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10. Inverse Percentiles of a sample. - File Exchange - MATLAB Central

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11. how to calculate the 99th percentile in matlab - gistlib

  • You can easily calculate the desired percentile in MATLAB using the quantile function. The 99th percentile can be calculated as follows:.

  • Code snippets and examples for how to calculate the 99th percentile in matlab

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12. Finding the percentile of a time series - MATLAB Answers - MathWorks

  • Mar 22, 2018 · Finding the percentile of a time series . Learn more about percentile, time series, noob, quantile.

  • Dear all, I hope this finds you well. I had a question concerning quantiles/percentiles. I want to know the 90th percentile of my time series, because I want to use that value as a threshold ...

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13. How do I generate a pdf from some known percentile values - MathWorks

  • Oct 12, 2021 · Hi Matlab community,. I have percentile values that describe a distribution of possible sea level rise magnitudes. I would like to be able to ...

  • Hi Matlab community, I have percentile values that describe a distribution of possible sea level rise magnitudes. I would like to be able to generate a probability density function that closely ap...

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14. Getting a percentile from a histogram - MATLAB Answers - MathWorks

  • Feb 9, 2023 · To stick with your 95th percentile example, suppose you have a bin of scores from 20-30 and you know from the other bins that 90% of scores are ...

  • Let's say I have a large dataset which I have plotted on to a histogram with some given BinWidth. How would one let's say... get the 95th percentile from the data provided only by that histogram, a...

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15. Find percentile corresponding to an input value - MATLAB Answers

  • Jul 8, 2017 · In other words, you can implement excel function PERCENTRANK.INC(matrix,k) by just using: mean(matrix<=k).

  • I'm trying to find a MATLAB function that is similar to the PERCENTRANK formula in Excel. With this formula you enter an array and a scalar and it tells you what percentile that scalar corresponds ...

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16. Calculating Percentile from a pdf - MATLAB Answers - MathWorks

  • Jun 5, 2019 · Direct link to this answer · Set the point at -9.42 to be zero. · Use c*msum. · Normalize the sum to 1. · Interpolate (actually reverse ...

  • Hi, I have a data with two columns: Column 1 is the variable, and Column 2 is the probability density. I am pasting a sample of the data, but overall c*msum(COlumn2) = 100, as it should be. Qu...

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17. How to calculate the statistics/ percentile in julia - General Usage

  • May 29, 2023 · ... percentile of the complete matrix. In fact what I'm searching is the equivalent of matlab function “prcntile” Thank you in advance. Norman ...

  • Hello, I’m new in Julia and I would like to do some statistics. How can I calculate a percentile of a matrix? I installed the using StatsBase package and I’m doing: percentile(mymatrix, 25), however I get an error

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18. How to calculate the quantiles/percentiles values for ...

  • Jan 21, 2021 · With respect to creating the custom function, what I tried is using rowfun, in the following way (which is a copy of an example in the Matlab ...

  • I calculate with this code the quantile points of all the data. Data=[1.5 2.3 2.5 4 6.2 7.1 8]; First_data = quantile(Data, [0 0.25 0.50 0.75 1])'; QuantilePoints = {'Minimum', '25th percentile...

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19. Some assorted MATLAB functions - Cris' Image Analysis Blog

  • percentile — Percentile value of input array. Missing from the MATLAB toolbox (the statistics toolbox has prctile ). I copied median and modified it a bit ...

  • Cris’ Image Analysis Blog: theory, methods, algorithms, applications

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Percentile Matlab (2024)

FAQs

How do you find the percentile in Matlab? ›

P = prctile( A , p ) returns percentiles of elements in input data A for the percentages p in the interval [0,100]. If A is a vector, then P is a scalar or a vector with the same length as p . P(i) contains the p(i) percentile.

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What is the 75th percentile? ›

75th Percentile - Also known as the third, or upper, quartile. The 75th percentile is the value at which 25% of the answers lie above that value and 75% of the answers lie below that value.

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How is the percentile calculated? ›

How do you calculate percentile? Percentile is found with the equation: P = n/N * 100%. Where P is the percentile, lower case n is the number of data points below the data point of interest, and N is the total number of data points in the data set.

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How to calculate 90 percentile? ›

What is the 90th percentile value? Multiply the number of samples by 0.9: 0.9 X 10 samples = 9 Therefore, the 9th highest ranked sample is the 90th percentile result to compare to the Action Level.

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How do you find a percentile? ›

For example, if 'x' is a value from a given set of values, then percentile of x = (number of values less than x) / (total number of values) 100.

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How do you use percentile function? ›

=PERCENTILE(array,k)

The PERCENTILE function uses the following arguments: Array (required argument) – This is the array or range of data that defines the relative standing. k (required argument) – The percentile value in the range 0…1, inclusive.

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What is the 95% percentile? ›

The 95th percentile is the number that is greater that 95% of the numbers in a given set. The reason this statistic is so useful in measuring data throughput is that it gives a very accurate picture of the maximum traffic generated on an interface.

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What is the 90th and 95th percentile? ›

And the 90th percentile is where 90% of the data is less than the value and 10% is greater: So a 95% percentile tells you the value which is greater than or equal to 95% of your data. Most people use basic statistics like min, mean, median or max, which for a large number of data they hide the truth.

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How do you find the 25th 50th and 75th percentile? ›

Expert-Verified Answer

The 25th percentile, also known as Q1, is the value below which 25% of the data falls. The 50th percentile (Q2 or median) is the middle value where 50% of your data falls below and 50% falls above, and the 75th percentile (Q3) is the value below which 75% of the data falls.

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What is the general formula for percentile? ›

They indicate the values below which a certain percentage of the data in a data set is found. We calculate percentiles using the formula n = (P/100) x N, where P = percentile, N = number of values in a data set (sorted from smallest to largest), and n = ordinal rank of a given value.

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How can I convert percentage to percentile? ›

Step 1: Arrange all data values in the data set in ascending order. Step 2: Count the number of values in the data set where it is represented as 'n'. Step 3: calculate the value of k/100, where k = any number between zero and one hundred. Step 4: Multiply 'k' percent by 'n'.

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How do you calculate percentile vs percentage? ›

How the percentage is different from percentile? A percentage denotes a mathematical value taken out of 100, such as marks obtained in the exam by a student is 80%. The percentile will show rank-ordering out of others in a sample. For example, he has scored 40% more than other students.

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How to find the 75th percentile? ›

Answer and Explanation:
  1. To calculate the 75th percentile, first arrange the data set in ascending order as follows: 16 , 25 , 28 , 32 , 35 , 38 , 42.
  2. Calculate the position of the 75th percentile term by using the formula: P 75 = 75 100 ( n + 1 ) ...
  3. The 6th term of the dataset is 38. So, the 75th percentile score is .

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What is the 99th percentile? ›

The 99th percentile is a statistical concept that represents the value below which 99% of a given data set falls. In other words, it's the value that puts you just below the top 1% of the population.

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How do you find the percentile in machine learning? ›

For example, we have 10 marks in an exam,[50,30,20,60,73,88,44,22,67,10], in order to obtain the 50th percentile: Obtain n using the formula, 50/100*10 = 5. This means that the 50th percentile is located in the 5th position in that dataset. Order the dataset from the smallest to the largest.

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What is the percentile threshold in Matlab? ›

Percentile thresholds, specified as a two-element row vector whose elements are in the interval [0, 100]. The first element indicates the lower percentile threshold, and the second element indicates the upper percentile threshold. The first element of threshold must be less than the second element.

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How to do the percentile method? ›

For the percentile method we simply draw a large number of bootstrapped samples (e.g. 1000) with replacement from a population made up of the sample data. We determine the mean of each sample, call it X̄ , and create the sampling distribution of the mean. We then take the α/2 and 1 - α/2 percentiles (e.g. the .

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How do you find the 99.5 percentile? ›

If x[i] denotes the ith largest value in a data set, then the percentile sought by Excel is x[(n − 1)p + 1]. This yields an estimate of the 99.5th percentile of 2.534, and we can see that the Harrell-Davis estimator is more efficient because this is closer to the known percentile of the N(0,1) distribution (2.576).

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