Data fitting is to fit a line through a data set i.e. a series of data points.
Questions tagged [data-fitting]
853 questions
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votes
1 answer
Fitting the data with a voigt function in python
I am trying to fit my data with a Voigt function. I used the code given below. But the fit is not there with a right range.. and I do not know how to set the range to fit. Can anyone help me pls?
import numpy as np
import matplotlib.pyplot as…
Zen
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2 answers
Python gaussian fit with same color as bars of histogram
I use the functions plot() and hist() from pyplot (without any color definition) to generate the following graphic:
There will be even more data sets included. That's why I want to use the same color for fit curve and the related histogram, to keep…
Johannes Friedrich
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1 answer
Distribution fitting using various criteria in R
Consider me to be an undergraduate student doing a routine research study.
Is there a simple, straight forward way to find and access (or implement) distribution fitting in R using the following estimates:
Kolmogorov-Smirnov Minimum Distance…
konstunn
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1 answer
Function analysis, fitting
I have two datasets, which I would like to find the best fitting function types:
x <- c(10, 40, 70, 100, 130, 160, 190, 220)
y1 <- c(41.8, 45.2, 50.8, 62.5, 73.2, 86.9, 95.4, 107.9)
y2 <- c(1.9, 34.3, 269.2, 1119.4, 2627.1, 5801.2, 11794.8,…
poetyi
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votes
1 answer
Matlab figures - remove filling from gaussian distributions
I am emulating a NAND Flash mlc and I am using hist() to display the results which are 4 gaussian distributions.
The problem is that I am trying to display 8 distributions at once one the same figure and they overlap. So, I want to find a way to…
gsklias
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how do I use nls to estimate parameters?
I want to estimate e50 e0 emax from emax model
the equation is Y=E0 + ((DOSE * EMAX)/(DOSE + ED50))
I want to use default algorithm
How can I estimate E0 EMAX and E50?
I found the example code is :
args(nls)
function (formula, data =…
user35631
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Fitting of an image (matrix) to a bounded region in Matlab
I want to fit an image in the bounded space of two circles.
Explanation:
I am drawing two circles of different radii and I want to fill the space between the two circles with an image. Both circles and the image to be filled in are produced by…
Mushi
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votes
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Scipy optimize curve_fit not responding properly
from scipy import optimize
import matplotlib.pyplot as plt
x_data = np.linspace(0,11,12)
y_data = np.array([0.02471114, 0.02057292, 0.01752668, 0.01494543, 0.01273249, 0.0110999 , 0.00946524, 0.00805622, 0.00670716, 0.00558925, 0.00465331,…
willard
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use R: fit a set of data with an horizontal line
I have a question about fitting data set.
I have a set of data, I want to plot it and add a horizontal line which should be the best fit of it.(let's say it is Y=a and ignore the shape of data)
How can I find a? which method i need to use.
I prefer…
Julia
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1 answer
Python SKlearn fit() monitor TypeError
I want to monitor my gradient boost classifier fit function
monitor = make_monitor(10) # a callback funtion
gs.fit(Xtrain, ytrain, monitor=monitor)
which gives
TypeError: fit() got an unexpected keyword argument 'monitor'
Any idea how to fix this?
Heinz
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votes
1 answer
Least Square Fitting Algorithm
I am writing an algorithm in Python to fit a data (I need to write my own algorithm). But I have a problem with the arrays. For example:
import math
x=[2,1]
a=sum([x[i]*x[i] for i in range(len(x))])
It is working. However when I tried to divide, it…
Fiber
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votes
1 answer
Extract fitted values in R
I’m trying to exctract the values from a fitted model. So far I keep getting errors with all the suggestions I could find on the internet.
Here is my code
plotPoints(absorbance~time,data=a)
f1 =…
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votes
1 answer
Fit data in Python (sine wave?)
I have data which I would like to visualise. Here is my code:
import numpy as np
from scipy.optimize
import curve_fit
xdata = np.array([0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11])
ydata = np.array([26.2, 27.2, 27.9, 27.9, 27.2, 26.2, 25.3, 24.5,…
paulchen
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