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A possible bug: I could not use `find_variables` on a model produced by `sampleSelection::heckit` or `sampleSelection::selection`. Example:
``` r
library(insight)
library(sampleSelection)
data…
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Currently if you have a variable whose levels you want to turn into dummy variables you need to put them as a categorical variable or string. This creates ambiguity
```
@formula(income ~ educ + st…
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The summary and margins command do not output SE, P value etc. It only shows the coefficients
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Can have a set of functions that check if both popstrat and survey have the same levels and attributes, and are all shared by formula, etc..
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Busque "san martin" . Seleccionè el primer resultado "Especial: Darwin en Argentina" tirò el siguiente error (adjunto captura)
![pantallazo](https://cloud.githubusercontent.com/assets/95441/6423533/57…
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Consider having "short names" for things like theorems, then use them in cross-references. Much like FCLA's acronyms, or the Limit Rules early in http://educ.jmu.edu/~waltondb/ModelCalculus/
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https://groups.google.com/forum/#!topic/pystatsmodels/ZvsyZag3xaw
```
import patsy
import pandas as pd
cps = pd.read_csv("http://www.mosaic-web.org/go/datasets/cps.csv")
patsy.dmatrix("age + educ + m…
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I was wondering whether this library uses the bit parallel speed up tricks from:
https://www.win.tue.nl/~jfg/educ/bit.mat.pdf
https://users.dcc.uchile.cl/~gnavarro/ps/jea06.pdf
They seem very w…
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library(ggplot2)
library(dplyr)
library(data.table)
#Exercicio 1
#calcular as frequencias das variaveis
ftable(dat$gender~dat$jobcat)
ggplot(data = dat) +
geom_bar(aes(x = jobcat, fill=ge…
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I made a slight change in the data to be unordered:
```r
shape_survey_edit %
mutate(age = factor(age, levels = c("36-45", "26-35", "18-25", "46-55", "56-65", "66-75", "76-90")))
pop_data %
…