Publications by İsmail Ak

transforming data with dplyr

01.10.2024

library(rmarkdown) library(gapminder) library(dplyr) ## ## Attaching package: 'dplyr' ## The following objects are masked from 'package:stats': ## ## filter, lag ## The following objects are masked from 'package:base': ## ## intersect, setdiff, setequal, union gapminder ## # A tibble: 1,704 × 6 ## country continent year ...

81 sym R (2611 sym/13 pcs)

types of visualizations

30.09.2024

library(rmarkdown) library(gapminder) library(dplyr) ## ## Attaching package: 'dplyr' ## The following objects are masked from 'package:stats': ## ## filter, lag ## The following objects are masked from 'package:base': ## ## intersect, setdiff, setequal, union library(ggplot2) summarize the median gdpPercap by year,then save it as...

700 sym R (1785 sym/23 pcs) 8 img

grouping and summarizing

29.09.2024

library(rmarkdown) library(gapminder) library(dplyr) ## ## Attaching package: 'dplyr' ## The following objects are masked from 'package:stats': ## ## filter, lag ## The following objects are masked from 'package:base': ## ## intersect, setdiff, setequal, union library(ggplot2) summarize to find the median life expectancy gapminder...

758 sym R (3693 sym/25 pcs) 3 img

data visualization

29.09.2024

library(rmarkdown) library(gapminder) library(dplyr) ## ## Attaching package: 'dplyr' ## The following objects are masked from 'package:stats': ## ## filter, lag ## The following objects are masked from 'package:base': ## ## intersect, setdiff, setequal, union library(ggplot2) Create gapminder_1952 gapminder_1952<-gapminder%>% ...

491 sym R (1087 sym/14 pcs) 8 img

data wrangling

29.09.2024

library(rmarkdown) library(gapminder) library(dplyr) ## ## Attaching package: 'dplyr' ## The following objects are masked from 'package:stats': ## ## filter, lag ## The following objects are masked from 'package:base': ## ## intersect, setdiff, setequal, union gapminder ## # A tibble: 1,704 × 6 ## country continent year li...

21 sym R (4762 sym/18 pcs)

Document

10.11.2022

R Markdown data("attend", package = "wooldridge") attach(attend) ## The following object is masked _by_ .GlobalEnv: ## ## attend library(rmarkdown) paged_table(attend) (ornek6_3 <- lm(stndfnl~ atndrte*priGPA + ACT + I(priGPA^2) + I(ACT^2), data=attend)) ## ## Call: ## lm(formula = stndfnl ~ atndrte * priGPA + ACT + I(priGPA^2) + ##...

38 sym R (1522 sym/20 pcs)

Document

10.11.2022

R Markdown library(wooldridge) library(rmarkdown) data("fertil1") paged_table(fertil1) require(dplyr) ## Zorunlu paket yükleniyor: dplyr ## ## Attaching package: 'dplyr' ## The following objects are masked from 'package:stats': ## ## filter, lag ## The following objects are masked from 'package:base': ## ## intersect, setdiff,...

33 sym R (4792 sym/15 pcs)

Document

10.11.2022

R Markdown Dogrusal_reg_se <- function(X, Y) sqrt(as.numeric(var(Y - X%*%solve(t(X) %*% X)%*%t(X) %*% Y))*solve(t(X) %*% X)) dr <- function(X, Y) { A <- solve(t(X) %*% X)%*%t(X) %*% Y B <- diag(sqrt(as.numeric(t(Y-as.numeric(t(Y)%*%rep(1, nrow(Y))/nrow(Y)))%*%(Y-as.numeric(t(Y)%*%rep(1, nrow(Y))/nrow(Y)))/(nrow(Y)-1))*solve(t(X) %*% X)))...

60 sym R (13537 sym/38 pcs)

odev4

29.11.2022

R Markdown R Markdown ne için kullanılır? R Markdown, R ile dinamik belgeler oluşturmak için bir dosya biçimidir. Bir R Markdown belgesi, markdown (yazması kolay bir düz metin biçimi) ile yazılır ve aşağıdaki belge gibi gömülü R kodu parçaları içerir. library(wooldridge) library(rmarkdown) data("crime3") şimdi neden rmark...

1362 sym R (11535 sym/40 pcs) 2 img

odev5

14.12.2022

R Markdown Sabit etkiler (fixed effect veya first differencing) ve ya within estimator Sabit etkiler regresyon modelinin kesişiminin bireyler veya gruplar arasında serbestçe değişmesine izin verilen istatistiksel bir regresyon modelidir. Zaman içinde değişmeyen bireye özgü nitelikleri kontrol etmek için genellikle panel verilere u...

760 sym R (3616 sym/15 pcs)