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764 views

1 answer

statistics - "On-line" (iterator) algorithms for estimating statistical median, mode, skewness, kurtosis?

Is there an algorithm to estimate the median, mode, skewness, and/or kurtosis of set of values, but that does ... of these operations "on-line". See Question&Answers more detail:os...

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

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833 views

1 answer

statistics - R tick data : merging date and time into a single object

I'm currently working in tick data with R and I would like to merge date and time into a single object as I ... columns "date" and "time" into a single one. Question&Answers:os...

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

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962 views

1 answer

statistics - Cosmic Rays: what is the probability they will affect a program?

Once again I was in a design review, and encountered the claim that the probability of a particular scenario ... and affecting the execution of the program? Question&Answers:os...

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

0 votes

996 views

1 answer

statistics - Negative adjusted R squared in svyglm

I have a large, weighted and stratified dataset containing among other things co2 emissions per household. The ... .com/questions/65832794/negative-adjusted-r-squared-in-svyglm...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

896 views

1 answer

statistics - Propotion test or t-test

I couldn't get any suggestions from stack exchange. So I'm posting the same question here with a hope. ... https://stackoverflow.com/questions/65843366/propotion-test-or-t-test...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

774 views

1 answer

statistics - How to approximate a 2d distribution with mu and covariance in python

I want to create a heatmap, depending on just the mu and the covariance. The background is, that I want to ... -to-approximate-a-2d-distribution-with-mu-and-covariance-in-python...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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719 views

1 answer

statistics - What R code can I use to produce the following percentile ranks and normalized scores for test scores? The image in the description

I want to make scores like in the link below . I used to use Jmetrik but that software is just stopped working ... -i-use-to-produce-the-following-percentile-ranks-and-normalized-s...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

796 views

1 answer

statistics - How to compare two Pearson's correlations

I am trying to compare two Pearson's correlations (and also R2) between two variables (variable 1 ... stackoverflow.com/questions/65870449/how-to-compare-two-pearsons-correlations...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

945 views

1 answer

statistics - A basketball player has hit on 60% of his shot

A basketball player has hit on 60% of his shot from the floor. If on the next 100 shots he makes 70 baskets, ... /questions/65883695/a-basketball-player-has-hit-on-60-of-his-shot...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

912 views

1 answer

statistics - Fixing y-axis labels on R graph with several distribution functions

I am trying to graph a few different gamma distribution functions in R with the standard R commands--no packages. ... -y-axis-labels-on-r-graph-with-several-distribution-functions...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

991 views

1 answer

statistics - Calculate probability of an event not by exclusion

I have some doubt with these kind of problems, example: "If we asked 20,000 in a stadium to toss a ... .com/questions/65894777/calculate-probability-of-an-event-not-by-exclusion...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

832 views

1 answer

statistics - Can Cytoscape calculate centrality?

does somebody know whether Cytoscape can calculate statistical numbers like centrality (degree, betweenness ... .com/questions/65900617/can-cytoscape-calculate-centrality...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

781 views

1 answer

statistics - How to find average monthly annualized growth rate for time series in R?

I am trying to find the average monthly annualized growth rate for a continuous data set that contains monthly data ... -average-monthly-annualized-growth-rate-for-time-series-in-r...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

710 views

1 answer

statistics - R - Put output from 2 separate linear models into metafor

I'm trying to meta-analyze outputs from GLMs derived from 2 separate GLMs in R using the metafor package. ... 65924269/r-put-output-from-2-separate-linear-models-into-metafor...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

903 views

1 answer

statistics - how to evaluate ANOVA repeated measures in R?

I need to do an ANOVA analysis between the proportions of natural area for some study areas that I am ... /questions/65925088/how-to-evaluate-anova-repeated-measures-in-r...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

855 views

1 answer

statistics - R-squared in lm() for zero-intercept model

I run an lm() in R and this is the results of the summary: Multiple R-squared: 0.8918, Adjusted ... ://stackoverflow.com/questions/65926198/rsquared-in-linear-regresion-using-r...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

831 views

1 answer

statistics - How to compare two variables on different scales with a third?

I have 3 variables: age, salary and number of years at a company. I want to plot age along the x axis. I ... /65926737/how-to-compare-two-variables-on-different-scales-with-a-third...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

774 views

1 answer

statistics - T-Test in R using "ggpubr"

I am trying to perform a two sided t-test with R. This is my data as CSV (called "laegern" in the code ... :https://stackoverflow.com/questions/65926840/t-test-in-r-using-ggpubr...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

850 views

1 answer

statistics - Even spacing of a numeric vector in R-Markdown

I am currently in an intermediate statistics class. I ran into a problem in my homework assignment and it is ... questions/65929473/even-spacing-of-a-numeric-vector-in-r-markdown...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

883 views

1 answer

statistics - Is there a package in R to run Negative Binomial Regression with fixed effects, possibly FE demeaning regression?

I am dealing with over-dispersed count variable in my model and to my best knowledge, negative binomial model is ... -in-r-to-run-negative-binomial-regression-with-fixed-effects...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

788 views

1 answer

statistics - Constant errors when reading data in r

First, I'd like to say I'm pretty new to this whole thing. I've been learning R through my ... /stackoverflow.com/questions/65935652/constant-errors-when-reading-data-in-r...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

833 views

1 answer

statistics - Categorical covariate with two way anova in R

This is a random sample of my data set: structure(list(DTI_ID = structure(c(31L, 241L, 84L, 298L, 185L, 269L, 198L, ... , 0.628901243, 0.381492049, 0.540111601, 0.392371207, 0.4...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

769 views

1 answer

statistics - Compositional Data and Isometric Log ratio (ILR) transformation in SAS

I have a compositional data and need to use compositional data analysis? The independent variables are ratios and ... -data-and-isometric-log-ratio-ilr-transformation-in-sas...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

937 views

1 answer

statistics - How do you find all possible unique pairwise comparisons of variables with various levels (with 3 example scenarios) using R for the mtcars data?

This question already has answers here: question from:https://stackoverflow.com/questions/65647928/how-do-you-find-all-possible-unique-pairwise-comparisons-of-variables-with-vario...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

813 views

1 answer

statistics - How do I do a F-test in python

How do I do an F-test to check if the variance is equivalent in two vectors in Python? For example if I have ... .com/questions/21494141/how-do-i-do-a-f-test-in-python...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

993 views

1 answer

statistics - How do I do a F-test in python

How do I do an F-test to check if the variance is equivalent in two vectors in Python? For example if I have ... .com/questions/21494141/how-do-i-do-a-f-test-in-python...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

726 views

1 answer

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 ... https://stackoverflow.com/questions/936748/declaring-a-const-variable-in-r...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

929 views

1 answer

statistics - What is the difference between Multiple R-squared and Adjusted R-squared in a single-variate least squares regression?

Could someone explain to the statistically naive what the difference between Multiple R-squared and Adjusted R-squared is? I ... -multiple-r-squared-and-adjusted-r-squared-in-a-si...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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