twang | Library for pure Rust advanced audio synthesis | Audio Utils library
kandi X-RAY | twang Summary
kandi X-RAY | twang Summary
Library for pure Rust advanced audio synthesis.
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QUESTION
I have got in trouble with implementing weighted dataset by aov
function in R.
For example my dataset "data_file" has target var "Y", and four independent var named (treat, V1 ,V2, V3).
Assuming:
V1(2 groups) & treat(3 groups) --> categorical,
V2 and v3 --> continuous.
I want to check baseline comparisons of independent variables among treat groups.
I ran aov
test for this purpose,example:
ANSWER
Answered 2021-May-01 at 15:36It seems you should use:
weight = your weighting variable
in the aov
arguments.
I replicate something like your dataset, and after using above code the results of the comparisons between groups were different which showed that weighting method had worked.
QUESTION
I have a dataset with 3465 observation and 5 variables as follows (named: dataset)
Variables$ Treat --> factor(3 level: "1", "2", "3")
$ Age --> integer(eg. 24,54,etc.)
$ Mortality --> integer(0=no,1= yes)
$ LDL --> integer(eg. 200,120,143, etc.)
$ Smoking --> integer(0=no, 1= yes)
I used mnps function in twang package to weight my observations according to treat
ANSWER
Answered 2021-Feb-05 at 01:27This is a bug in twang
(I was able to replicate it on my own dataset). There isn't anything you can do about it.
You can instead use the cobalt
package, which facilitates balance checking and is compatible with objects from twang
. A plot that conveys the same information as the type 3 plot is a Love plot, which can be called using love.plot()
in cobalt
.
If you run love.plot(mnps.dataset, which.treat = .all)
you can see standardized mean differences for all pairwise comparisons. See the section in the cobalt
vignette on multi-category treatments for more information on how to use it.
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