Questions tagged [estimation]
Questions related to tips and techniques about software project estimations: development time, effort, team size, software size, execution time, run time resource usage. Please ask on https://softwareengineering.stackexchange.com/help/on-topic if your question is not directly related to code.
estimation
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i'm having a problem using Survey package in R, i coded a prop an cv function but its returning different results for the same svytotal results
library(survey)
wrap.table3 = function(SVYres, Niv1, Niv2, Niv3) {
Tabela = array(SVYres, dim = c(length(Niv1), length(Niv2), length(Niv3)))
TabCV = array(cv(SVYres), dim = c(...
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How to estimate VoIP call MOS (objective method)
I want to estimate speech stream quality in a VoIP call, I found an unfamiliar [for developer] formula in ITU G.107 (number 1) that I can't understand how to fill variables from RTP/UDP/IP/Ethernet ...
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Is there an R function that minimise a bivariate function f
I need to write a code that using the R function constrOptim, minimise an bivariate function. Please tell me what is wrong in the constrOptim , went i run the code i have this warning message
"...
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Clustered errors in panel data in Multinomial logistic regression in python (e.g. statsmodels package) sandwich estimator
I am estimating a MNL regression model for customer choices. I have a panel data set with N = \sum_{i=1}^{I} t_{\text{observations}}. Since one individual makes multiple choices in my dataset. ...
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Calculating bytes per fetch of a hash
I'm reading Chapter Four of "Beautiful Code" from O'Reilly. The author of the chapter does a back-of-the-envelope calculation that I don't follow.
The author explains the creation of a hash ...
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Fuzzy regression discontinuity: inconsistency between results from IV and RDROBUST
I'm using a Fuzzy Regression Discontinuity to estimate the effect of retirement on time spent on household chores. My outcome variable is the minutes spent on "Unpaid work", my treatment ...
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How to add custom points based on pose estimation library?
There are numbers of libraries about human pose estimation. I want to use one of them and add my points to the predict result, being drawn with the results in realtime on the image/camera.
For example,...
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Utilizing a Kalman-Filter and IMM-L and IMM-CT for estimating the position of an object going through non-linear motion in matlab
Currently I am working on the following problem that is based on the following section of my Estimation Theory textbook. This problem is attempting to compare a Kalman Filter to IMM-L and IMM-CT for a ...
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How to get confidence values of estimated joints in pose estimation?
In pose estimation, there are confidence values to indicate the estimated joints are how much correct. But, those are computed if the input is image type.
In my case, I predicted a pose using my model,...
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comma in a Kernel equation
I have difficulties understanding the part h,1 in the definition below. What is this ,1 following the h? The code is C++.
double Temp = Kernel((X(n) - X(m)) / h,1) / h;
The mathematical form of the ...
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YOLO pose estimation Calculate angle position
I cant found a tutorial that teach how calculate angle position between three landmarks in yolo (push-up counter for example)
FYI: i can do it very well on mediapipe
Im installed yolo but i don't know ...
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My Particle filter is not providing approx parameters of the model
Hellow all,
Particle Filter
I am trying to estimate parameters of a model using particle filter.
I am using simple particle filter to estimate parameters of model. But estimate parameters are not ...
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Weighted logistic function model by total samples (not standard deviation of grouped samples)
I am quite new to R.
I gathered data about parasite infection in insects from many references, in which it follows 3 parameters logistic function, with x=parasite count (in concentration), y = ...
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How to minimize the weighted sum of squared errors with bivariate Gaussian model in R in order to estimate model's parameter?
I would like to estimate 7 parameters of the following bivariate Gaussian model:
So I have the following 7 parameters to estimate, so that the Gaussian model best fit my data X:
The method I would ...
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MatLab - System Identification Toolbox vs Code - discrepancies and small fit percentages
I need help understanding what is wrong with what I am doing or why this is happening. I have two tables and one variable:
u=21000x1 - the original signal
y=21000x1 - signal corrupted by noise
dt=1^-4
...