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Use this tag for any *on-topic* question that (a) involves `R` either as a critical part of the question or expected answer, & (b) is not *just* about how to use `R`.

0 votes
0 answers
47 views

Does a linear model make assumptions about distributions of depended and independent variables? [duplicate]

As the title says, does a linear regression model make assumptions about distributions of depended and independent variables and what should these distributions be for the model to work as expected ? …
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1 vote

Number of grouping affect log2 fold change in DESeq2 analysis

It is perfectly possible that the genes are statistically differentially expressed but have low fold changes. The reason is that you are ultimately testing whether the means of different groups are di …
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  • 201
3 votes
0 answers
4k views

Why inverse of 'predict' function in R can not be used for dependent variable prediction in ...

When a regression is calculated with a simple linear model that returns intercept and slope for an equation like this $y=a + bx$ one can predict $y$, the response variable, based on that equation. Equ …
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  • 201
2 votes

Sample time series to equal interval

Untested code using zoo in R might look something along these lines: # create new time index time.index <- seq(min(index(data)),max(index(data)), by=as.difftime(2,units='mins')) # combine index with …
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