User: selplat21

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selplat2110
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Posts by selplat21

<prev • 22 results • page 1 of 3 • next >
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Comment: C: Significance testing on regression with binned data
... Yes, i've done this and yes it does tell me that there's an effect, but I am testing additional hypotheses following up on this effect. I was able to fix with the following, which provides a p-value: lm1 <- lm(mean_dif ~ as.numeric(mean.df$bin), data=mean.df) plot(mean.df$bin, mean.df$m ...
written 3 days ago by selplat2110
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Significance testing on regression with binned data
... I have binned the following data by year, but am wondering how I can assess significance of the resulting regression because the data are binned. I would like to do this regression for multiple traits separately against time binned in years. Data$cuts <- cut(Data$year, breaks = c(seq(min(Dat ...
R written 4 days ago by selplat2110
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Comment: C: Difference in means between sexes over time
... Is there a way to assess significance of a linear model with binned data? I pasted some code below that generates the regression line, but I don't get p-values from the summary. Maybe I need to bootstrap and just look at confidence intervals? ...
written 4 days ago by selplat2110
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Answer: A: Difference in means between sexes over time
... Update, I was able to loop through and provide a mean difference, sample size for each sex, and total sample size. Data$cuts <- cut(Data$year, breaks = c(seq(min(Data$year), max(Data$year), 20), max(Data$year)), labels = FALSE) DataM <- Data[Data$sex=="M",] DataF <- Data[ ...
written 8 days ago by selplat2110
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Comment: C: Difference in means between sexes over time
... Thank you!! It is working now, much appreciated. ...
written 8 days ago by selplat2110
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Comment: C: Difference in means between sexes over time
... You're right, it was just how I left it during processing. ...
written 9 days ago by selplat2110
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Comment: C: Difference in means between sexes over time
... DataM and DataF have a different numbers of rows, but the same columns. `$trait` is a column in both datasets. DataM and DataF were generated like so: DataM <- Data[which(Data$sex=="M"),] DataF <- Data[which(Data$sex=="F"),] ...
written 9 days ago by selplat2110 • updated 9 days ago by RamRS27k
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Difference in means between sexes over time
... Hello, I have males and females across time for various phenotypes. I first began by binning my data in 20 year increments. Data$cuts <- cut(Data$year, breaks = c(seq(min(Data$year), max(Data$year), 20), max(Data$year)), labels = FALSE) This now produces a cut or bin with a value from 1-8 ...
R written 9 days ago by selplat2110
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Comment: C: Boxplots and Time Series Data
... I've done t-tests, which have been useful here as you suggested, but I wanted to look at boxplots in each bin as there are alternative bins of time that could be causal. The changes we see fit more of an additive model than a linear one. It seems like I can scrap the ANOVA, but for visual purposes ...
written 10 weeks ago by selplat2110
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Comment: C: Boxplots and Time Series Data
... Will do! My apologies. ...
written 10 weeks ago by selplat2110

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