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Revisão do capítulo 3 e adição de alguns exercícios #18

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51 changes: 51 additions & 0 deletions .Rhistory
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Original file line number Diff line number Diff line change
Expand Up @@ -25,3 +25,54 @@ devtools::install_github("atmoschem/veinreport")
devtools::install_github("atmoschem/veinreport")
library(veinreport)
library(cptcity)
(df <- data.frame(a = 1:3))
names(df)
class(df)
mode(df)
(df <- data.frame(a = 1:3))
names(df)
class(df)
mode(df)
mtcars
?mtcars
?head
head(df)
head(mtcars)
df <- mtcars
head(df) #mostra as sete primeiras linhas do data frame
summary(mtcars)
?summary
head(df)
summary(df)
?factor
a <- seq.POSIXt(from = hoje, by = 3600, length.out = 24*7)
hoje <- Sys.time()
(a <- seq.POSIXt(from = hoje, by = 3600, length.out = 24))
weekdays(a)
months(a)
julian(a) #dia Juliano*
a <- seq.POSIXt(from = , by = 3600, length.out = 24*7)
a <- seq.POSIXt(from = hoje , by = 3600, length.out = 24*7)
aa <- weekdays(a)
class(aa)
factor(aa)
factor(aa)
gender_vector <- c("Male", "Female", "Female", "Male", "Male")
factor_gender <- factor(gender_vector)
factor_gender
genero <- c("Masculino", "Masculino", "Feminino", "Masculino", "Feminino", "Feminino")
fator_gen <- factor(genero)
fator_gen
(a <- ISOdate(year = 2018, month = 4, day = 5))
class(a)
(b <- ISOdate(year = 2018, month = 4, day = 5, tz = "Americas/Sao_Paulo"))
?POSIXlt
?POSIXt
(d <- ISOdatetime(year = 2018, month = 4, day = 5, hour = 0, min = 0, sec = 0,
tz = "Americas/Sao_Paulo"))
hoje <- Sys.time()
(a <- seq.POSIXt(from = hoje, by = 3600, length.out = 24))
(c <- as.Date(Sys.time))
(c <- as.Date(Sys.time()))
(c <- as.Date(Sys.time()))
class(c)
8 changes: 7 additions & 1 deletion .Rproj.user/shared/notebooks/paths
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@@ -1 +1,7 @@
/home/camila/github_repos/cursoR/04-plotting_ggplotting.Rmd="2A96EE5"
/home/isabela/Documentos/01-intro.Rmd="31DC02A2"
/home/isabela/Documentos/02-basicr.Rmd="EABAC0B9"
/home/isabela/Documentos/R/05-Data_frame.R="75AB22F0"
/home/isabela/Documentos/R/07-Lista.r="C0AA7ED7"
/home/isabela/Documentos/cursoR/01-intro.Rmd="4AE20ED3"
/home/isabela/Documentos/cursoR/02-basicr.Rmd="1705D7ED"
/home/isabela/Documentos/cursoR/03-import_export.Rmd="FF4389BF"
4 changes: 2 additions & 2 deletions 01-intro.Rmd
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Expand Up @@ -8,11 +8,11 @@ Outros pacotes BASE: [utils](http://stat.ethz.ch/R-manual/R-devel/library/utils/
[grDevices](https://stat.ethz.ch/R-manual/R-devel/library/grDevices/html/00Index.html), [grid](https://stat.ethz.ch/R-manual/R-devel/library/grid/html/00Index.html), [methods](https://stat.ethz.ch/R-manual/R-devel/library/methods/html/00Index.html), [tools](https://stat.ethz.ch/R-manual/R-devel/library/tools/html/00Index.html), [parallel](https://stat.ethz.ch/R-manual/R-devel/library/parallel/html/00Index.html), [compiler](https://stat.ethz.ch/R-manual/R-devel/library/compiler/html/00Index.html), [splines](https://stat.ethz.ch/R-manual/R-devel/library/splines/html/00Index.html), [tcltk](https://stat.ethz.ch/R-manual/R-devel/library/tcltk/html/00Index.html) , [stats4](https://stat.ethz.ch/R-manual/R-devel/library/stats4/html/00Index.html).


Acesse [outros](https://cran.r-project.org/web/packages/available_packages_by_name.html) para a lista de pacotes disponíveis.
Acesse [pacotes](https://cran.r-project.org/web/packages/available_packages_by_name.html) para a lista de pacotes disponíveis.

Este curso foi baseado no livro [R Programming for Data Science](https://leanpub.com/rprogramming).

Neste curso iremos utilizar [Rstudio](https://www.rstudio.com/)
Neste curso iremos utilizar [Rstudio](https://www.rstudio.com/), além de poder baixar o programa utilizado nesse curso, você também pode acessar muitos materiais como as [Cheatsheets](https://www.rstudio.com/resources/cheatsheets/) e [Webnários](https://www.rstudio.com/resources/webinars/) que cobrem desde itens básicos como funções essenciais do Rstudio até desenvolvimento de páginas para Web ou apps com Shiny. Explore o máximo que puder!

**Dica:**

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