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License: Other
Dose-response data analysis
License: Other
Describe the bug
Thanks for this package! I noticed the above bug. When the input data frame is not sorted by dose, the plot utility does not work under base != 'n'
.
To Reproduce
library(tidyverse)
library(drda)
voropm2 <- voropm2 %>% arrange(desc(dose))
fit <- drda(response ~ dose, data = voropm2,mean_function='loglogistic5',max_iter = 10000)
plot(fit,base="10")
yields:
Error in seq.default(x1, x2, by = ceiling((x2 - x1)/6)) :
invalid '(to - from)/by'
Expected behavior
I expect the sorting of the data frame to not impact results/plots generated. Right now I can work around the issue by sorting dataframes passed to the package, but this should probably be documented and eventually corrected.
Desktop (please complete the following information):
Thanks @albertopessia for this user-friendly and well-documented package.
When I try to plot multiple dose-response curves in the same plot, the curves get distorted - due to change(s) in x or y axes. Consider the following example:
# Data
dose <- c( -4, -4.30, -4.60, -4.90, -5.20, -5.50, -5.80, -6.10, -6.40, -6.70, -7)
response <- c(3, 10, 24, 32, 45, 58, 71, 88, 92, 95, 99)
# Model 1
m1 <- drda(formula = response ~ dose, mean_function = "logistic4")
# Model 2
low_bound <- c(0, 100, -7, -Inf)
up_bound <- c(0, 100, -4, Inf)
m2 <- drda(formula = response ~ log_dose, upper_bound = up_bound, lower_bound = low_bound)
# Plot
plot(m1, m2)
Defining axis limits appears to be the only working solution:
plot(m, m2,
xlim = c(-7, .4),
ylim = c(0, 100),
legend = c("Model_1", "Model_2"))
Is there something obvious I am missing here or is this the expected behavior?
> sessionInfo()
R version 4.0.2 (2020-06-22)
Platform: x86_64-apple-darwin17.0 (64-bit)
Running under: macOS 10.16
Matrix products: default
LAPACK: /Library/Frameworks/R.framework/Versions/4.0/Resources/lib/libRlapack.dylib
locale:
[1] en_US.UTF-8/en_US.UTF-8/en_US.UTF-8/C/en_US.UTF-8/en_US.UTF-8
attached base packages:
[1] stats graphics grDevices utils datasets methods base
other attached packages:
[1] pracma_2.3.3 drda_1.0.0
loaded via a namespace (and not attached):
[1] fansi_0.5.0 assertthat_0.2.1 dplyr_1.0.7 crayon_1.4.1 utf8_1.2.2
[6] grid_4.0.2 R6_2.5.1 DBI_1.1.1 lifecycle_1.0.1 gtable_0.3.0
[11] magrittr_2.0.1 scales_1.1.1 pillar_1.6.4 ggplot2_3.3.5 rlang_0.4.11
[16] generics_0.1.0 vctrs_0.3.8 ellipsis_0.3.2 tools_4.0.2 glue_1.4.2
[21] purrr_0.3.4 munsell_0.5.0 tinytex_0.34 xfun_0.26 compiler_4.0.2
[26] pkgconfig_2.0.3 colorspace_2.0-2 tidyselect_1.1.1 tibble_3.1.5
Hello
I am trying to use the nauc() function but get the following message
Error in if (tmp < xlim[2]) { : missing value where TRUE/FALSE needed
In addition: Warning message:
In log((ylim[2] - alpha)/(beta - ylim[2])) : NaNs produced.
Thank you so much for providing this nice package.
I have some issues with plotting.
I generated a 4 parametric fit of this data x:
Compound Cell conc GI relGI
drug1 MDAMB436 1,00E-09 94,12125 0,9412125
drug1 MDAMB436 5,00E-09 89,76748 0,8976748
drug1 MDAMB436 1,67E-08 79,58089 0,7958089
drug1 MDAMB436 5,00E-08 72,59264 0,7259264
drug1 MDAMB436 1,67E-07 67,35769 0,6735769
drug1 MDAMB436 5,00E-07 53,64598 0,5364598
drug1 MDAMB436 1,67E-06 33,58508 0,3358508
drug1 MDAMB436 5,00E-06 30,55685 0,3055685
drug1 MDAMB436 5,00E-05 15,06649 0,1506649
lb <- c(1, -1, -Inf, -Inf)
ub <- c(1, Inf, Inf, Inf)
fit=drda::drda(x$rel.gi ~ log10(x$conc),
mean_function = "logistic4",
lower_bound = lb,
upper_bound = ub))
summary of the fit:
> summary(fit)
Call: drda::drda(formula = x$rel.gi ~ log10(x$conc), mean_function = "logistic4",
lower_bound = lb, upper_bound = ub)
Pearson Residuals:
Min 1Q Median 3Q Max
-1.6240 -0.4998 0.1265 0.4788 1.2993
Parameters:
Estimate Std. Error Lower .95 Upper .95
Maximum 1.00000 NA NA NA
Height -0.96278 0.07109 -1.10211 -0.823
Growth rate 1.02122 0.11853 0.78890 1.254
Midpoint at -6.31416 0.19131 -6.68913 -5.939
Residual std err. 0.03325 0.01108 0.01153 0.055
Residual standard error on 6 degrees of freedom
Log-likelihood: 19.687
AIC: -31.374
BIC: -30.585
Optimization algorithm converged in 289 iterations
plotting fails with error:
plot(fit)
Error in crossprod(G[i, ], V) : non-conformable argument
8.crossprod(G[i, ], V) at curve_variance.R#31
7.tcrossprod(crossprod(G[i, ], V), G[i, ]) at curve_variance.R#31
6.curve_variance.drda(x, xx) at S3.R#50
5.curve_variance(x, xx) at plot.R#547
4.plot_params.logistic(x, dotargs[["base"]], dotargs[["xlim"]],
dotargs[["ylim"]]) at S3.R#62
3.plot_params(x, dotargs[["base"]], dotargs[["xlim"]], dotargs[["ylim"]]) at plot.R#99
2.plot.drda(fit)
1.plot(fit)
Please let me know if you need more details.
thanks for this package. It’s working well for me…
But is there any way to get standard error from predictions on a drda fit object (eg, predict(fit, se.fit=T)
).
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