linear-regression

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Using a smoother with the L Method to determine the number of K-Means clusters

Has anyone tried to apply a smoother to the evaluation metric before applying the L-method to determine the number of k-means clusters in a dataset?If so, did it improve the results? Or allow a lower[详细]

2023-01-22 00:49 分类：问答
How to best approach the problem of trying to determine the form of an unknown function

I have a set of variables X, Y, ..., Z. My jo开发者_运维问答b is to design a function that takes this set of variables and yields an integer. I have a fitness function to test this against.[详细]

2023-01-20 07:45 分类：问答
How to force R to use a specified factor level as reference in a regression?

How can I tell R to use a certain level as reference开发者_C百科 if I use binary explanatory variables in a regression?[详细]

2023-01-18 18:39 分类：问答
Java or C equivalent of MATLAB's robustfit

MATLAB has a magnificen开发者_如何学运维t robustfit function that solves the problem of excluding outliers with linear regression fitting. Is there anything similar written in Java or C (or in languag[详细]

2023-01-18 14:10 分类：问答
How can I plot my R Squared value on my scatterplot using R?

This seems a simple question, so I hope its a simple answer. I am plotting my points and fitting a linear model, which I can do OK. I then want to plot some summary statistics, for example the R Squar[详细]

2023-01-17 12:31 分类：问答
Measuring rectangles at odd angles with a low resolution input matrix (Linear regression classification?)

I\'m trying to solve the following problem: Given an input of, say, 0000000000000000 0011111111110000 0011111111110000[详细]

2023-01-09 19:42 分类：问答
John Tukey "median median" (or "resistant line") statistical test for R and linear regression

I\'m searching the John Tukey algorithm which compute a \"resistant line\" or \"median-median line\" on my linear regression with R.[详细]

2023-01-06 22:46 分类：问答
Converting Numpy Lstsq residual value to R^2

I am performing a least squares regression as below (univariate). I would like to express the significance of the result 开发者_Go百科in terms of R^2. Numpy returns a value of unscaled residual, what[详细]

2023-01-03 12:09 分类：问答
Efficient Multiple Linear Regression in C# / .Net

Does anyone know of an efficient way to 开发者_运维问答do multiple linear regression in C#, where the number of simultaneous equations may be in the 1000\'s (with 3 or 4 different inputs).After readin[详细]

2023-01-01 14:53 分类：问答
Optimal two variable linear regression calculation

Problem Am looking to apply the y = mx + b equation (where m is SLOPE, b is INTERCEPT) to a data set, which is retrieved as shown in the SQL code. The values from the (MySQL) query are:[详细]

2022-12-30 04:27 分类：问答