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statistics - R Random Forests Variable Importance

I am trying to use the random forests package for classification in R. The Variable Importance Measures listed are: ... radio waves into sound. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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statistics - How to compute Studentized Residuals in Python?

I've tried searching for an answer to this problem but so far I haven't found any. I used statsmodel ... () function from OLS reults. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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statistics - Manual simulation of Markov Chain in R

Consider the Markov chain with state space S = {1, 2}, transition matrix and initial distribution α = ... conditional probability from here on? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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statistics - How can I neatly clean my R workspace while preserving certain objects?

Suppose I'm messing about with some data by binding vectors together, as I'm wont to do on a lazy ... everything BUT the following objects." See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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statistics - Prediction using Recurrent Neural Network on Time series dataset

Description Given a dataset that has 10 sequences - a sequence corresponds to a day of stock value recordings ... between samples. Thanks! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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statistics - Reordering matrix elements to reflect column and row clustering in naiive python

I'm looking for a way to perform clustering separately on matrix rows and than on its columns, reorder the data in ... (as in the figure above) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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statistics - Declaring a Const Variable in R

I'm working in R, and I'd like to define some variables that I (or one of my collaborators) cannot ... possible in the R programming language. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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statistics - How to use Outlier Tests in R Code

As part of my data analysis workflow, I want to test for outliers, and then do my further calculation with and ... to use them for my workflow. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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statistics - How to find row number of a value in R code

In the following set of values how can I find the row number of a particular value in column 4 ?? For example how ... M 18 1755 1755 175 67.0 See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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statistics - how do i exclude specific variables from a glm in R?

I have 50 variables. This is how I use them all in my glm. var = glm(Stuff ~ ., data=mydata, ... , data=mydata, family=binomial) thoughts? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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446 views

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statistics - R optimization with equality and inequality constraints

I am trying to find the local minimum of a function, and the parameters have a fixed sum. For example, ... any help would be very appreciated. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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659 views

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statistics - Efficient calculation of matrix cumulative standard deviation in r

I recently posted this question on the r-help mailing list but got no answers, so I thought I would post it here ... )] <- NA retval } Thanks. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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522 views

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statistics - git find fat commit

Is it possible to get info about how much space is wasted by changes in every commit - so I can find ... (rebasing and maybe filtering commits) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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525 views

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statistics - Exact number of bins in Histogram in R

I'm having trouble making a histogram in R. The problem is that I tell it to make 5 bins but it makes 4 and I ... ) Any ideas on how to fix it? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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659 views

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statistics - How to generate distributions given, mean, SD, skew and kurtosis in R?

Is it possible to generate distributions in R for which the Mean, SD, skew and kurtosis are known? So far it ... have not yet found it. Thanks See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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426 views

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statistics - Algorithm for sampling without replacement?

I am trying to test the likelihood that a particular clustering of data has occurred by chance. A robust ... . Logic or pseudocode preferred. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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