linear-regression

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Create function to automatically create plots from summary(fit <- lm( y ~ x1 + x2 +... xn))

I am running the same regression with small alterations of x variables several times. My aim is after having determined the fit and significance of each variable for this linear regression model to vi[详细]

2023-04-12 10:47 分类：问答
Add regression line equation and R^2 on graph

I wonder how to add regression line equation and R^2 on the ggplot. My code is: library(ggplot2) df <- data.frame(x = c(1:100))[详细]

2023-04-07 18:16 分类：问答
WPF Charting with Dynamic Data Display: How can I show a regression line?

I\'m using Dynamic Data Display (D3) to render a few simple LineSeries on a chart: <d3:ChartPlotter>[详细]

2023-03-28 05:08 分类：问答
Linear regression to predict the y-value for the trend series

I have [x,y] pairs where x value is in Unix- time values and y in float. I am needing to find the best fit line for this series. I am using t开发者_如何转开发he linear regression model as in this link[详细]

2023-03-24 12:37 分类：问答
Regression in R -- 4 features, 4 million instances

I have a text file in the form ( User Id, Movie Id, Ratings, Time) and I want to do a vanilla regression on the dataset .( Just 4 features, >4 million instances)[详细]

2023-03-20 12:17 分类：问答
Linear regression in R (normal and logarithmic data)

I want to carry out a linear regression in R for data in a normal and in a double logarithmic plot. For normal data the dataset might be the follwing:[详细]

2023-03-11 23:44 分类：问答
How to compute minimal but fast linear regressions on each column of a response matrix?

I want to compute ordinary least square (OLS) estimates in R without using \"lm\", and this for several reasons. First, \"lm\" also computes lots of stuff I don\'t need (such as the fitted values) con[详细]

2023-03-10 03:30 分类：问答
Linear Regression in Javascript [closed]

Closed. This question is seeking recommendations for books, tools, software libraries, and more. It does not meet Stack Overflow guidelines guidelines. It is not currently accepting answers.[详细]

2023-03-09 09:39 分类：问答
support vector machines - a simple explanation?

So, i\'m trying to understand how the SVM algorithm works but i just cannot figure out how you transform some datasets in points of n-dimensional plane that would have a mathematical meaning in order[详细]

2023-03-09 09:24 分类：问答
How to read the correlation matrix output by PROC LOGISTIC and PROC REG in SAS?

As you know, with an option CORRB, you can let logistic regression or linear regression in SAS to output a correlations of estimates matrix. Interestingly, I am not sure how to read this matrix. I hav[详细]

2023-03-09 08:15 分类：问答