frequency

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Assign weights based on frequency of occurrence of values

I would like to ask you for help with my data frame. It is a vector of many phases and for every one we have names of variables. Lets say[详细]

2023-03-09 00:44 分类：问答
readframes return 2 byte in python

When readframes() is used in python, the online documention says sampling frequency is returned it looks it returns 2 bytes. I think there are 4 byte on each frame:[详细]

2023-03-08 14:27 分类：问答
Can windows phone 7 microphone detect frequencies in the range of 18k-19kHz?

Can the windows phone 7 in-built microphone detect f开发者_开发百科requencies higher than 18kHz?Technically yes, the API supports recording PCM with sufficient quality to express a 18kHz sine wave.Sta[详细]

2023-03-08 13:49 分类：问答
count frequency of all items in tsql

Suppose I have a table, like so: UserIDMehMeh //meh is some column ```````````````````` 01...... 01......[详细]

2023-03-06 08:38 分类：问答
Given a range, I have to calculate the frequency of numbers in an array. Is the given solution efficient?

#include<iostream.h> int main() { int a[10]={1,2,3,5,2,3,1,5,3,1}; int i; int c[10]={0}; for(i = 0 ; i < 10 ; i++)[详细]

2023-03-04 17:00 分类：问答
UPDATE:Sorting a list from a for output from highest to lowest in python

for x in letters: frequency[x]+=1 for x in frequency: print x,frequency[x],frequency[x]/float(n) Sorry but I\'m fairly new to programming and everything and I\'m trying to get the output to be sorte[详细]

2023-03-03 21:50 分类：问答
Reproduce frequency matrix plot

I have a plot that I would like to recreate within R. Here is the plot: From: Boring, E. G. (1941). Statistical frequencies as dynamic equilibria. Psychological Review, 48(4), 279.[详细]

2023-03-03 16:50 分类：问答
Plot Histogram in Python

I have two lists, x and y. x contains the alphabet A-Z and Y contains the frequency of them in a file.[详细]

2023-03-03 13:01 分类：问答
Python summing frequencies in a file

I have a large file (950MB) that conains wo开发者_如何学JAVArds and frequencies as follows, one per line:[详细]

2023-03-03 08:50 分类：问答
How to determine the magnitude of a frequency and the phase angle from an audio sample?

I\'m currently working on this project that implies some DSP skills. I must extract the audio from a movie and then, by analyzing it, I must determine when someone speaks or not, more like an voice ac[详细]

2023-03-03 02:50 分类：问答