Posts by Vitor Muller Anunciato • 127 points
9 posts
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3
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answers285
viewsQ: Separate data by values on the line?
In the lines of my dataframe I have an identifier with letters for each observation set. Some of the observations have more than one letter, in which case these observations are actions together of…
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1
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answer111
viewsQ: Double factor in r with letters for differentiation
Dear friends, I’m trying to perform a double factor analysis or two-away Anova. I would like to know how to generate the letters of differentiation between treatments for the two factors. This…
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votes1
answer893
viewsQ: Sum of the regression square of R models
The models presented are different in only one additional coefficient (f), which multiplies the independent variable (x), allowing the calculation of the increase of the sum of the square of the…
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3
votes1
answer79
viewsQ: Correlation between two dose-response R curves?
I would like to know how to correlate two dose response curves of the "drc"? Example: ryegrass.m1 <- drm(rootl~conc, data = ryegrass, fct = LL.4()) ryegrass.m2 <- drm(rootl~conc, data =…
rasked Vitor Muller Anunciato 127 -
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votes1
answer68
viewsQ: How to isolate a factor from a result as a vector?
I want to isolate a factor from the result and leave it as a vector so I can use this factor in another formula. Example: library(drc) data=S.alba dados$Dose <- as.factor(dados$Dose) alba.aov…
rasked Vitor Muller Anunciato 127 -
2
votes1
answer83
viewsQ: Excel DISTF equivalent in R
I wonder if there is in the software R a function similar to the function of the software Excel, DISTF? The excel DISTF function returns the probability distribution F (right-tail) (diversity level)…
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3
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answer139
viewsQ: Degrees of freedom Anova R
I’m trying to run a basic one-way ANOVA on R. library(drc) data=S.alba aov(DryMatter~Dose,data=S.alba) However, there are 7 treatments in this data. Therefore, DF (Gree of Freedom) or Degrees of…
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2
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answer1063
viewsQ: How to add margins and text to the chart (Plot)?
I would like to know how to remove lines from the chart’s margins on the chart itself R (ex: image 1) and add the correlation value of the modelled curve with the coefficient of determination (R²).…
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2
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answer1011
viewsQ: How to remove caption in Plot?
How can I remove the caption that is automatically generated in the function plot package drc? plot(curva5r, ylab= "Dose (%)", xlab = "Dose (g.e.a. de glyphosate ha-1)") Note that the caption is on…