HTML_tuto: terminated

session_1/HTML_tuto.Rmd

@@ -12,6 +12,10 @@ h3 { /* Header 3 */
   color: #729FCF ;
   left: 5%;
 }
+h2 { /* Header 2 */
+  color: darkblue ;
+  left: 10%;
+} 
 h1 { /* Header 1 */
   color: #034b6f ;
 } 
@@ -207,7 +211,7 @@ Compute the factorial of 9 (`9!`)
 ```
 
  \ 
-**or**
+or
 ```{r calculatorstep12, include=TRUE}
 factorial(9)
 ```
@@ -390,8 +394,7 @@ This block allows you to view the different outputs (?help, graphs, etc.).
 ![](./img/formationR_VandAstep8_encadre.png)
 
 
-
-### Functions are also variables
+ \ 
  
 Test that your `logarithm` function can work in base 10
 
@@ -518,116 +521,158 @@ ls()
 
  \ 
 
-# Packages  
-## Installing packages
+<fieldset id='pencadre' style='text-align: left'>
+  <legend style='border: 0px;'>Summary box</legend>
+  <li> Assigning a variable is done with ` <- `.</li>
+  <li> The assigned variables are listed in the environment box.</li>
+  <li> Variable names can contain letters, numbers, underscores and periods. </li>
+  <li> Functions are also variable and can write in several forms</li>
+  <li> An editing box is available on Rstudio.</li>
 
-```R
-install.packages("tidyverse")
-```
+</fieldset>
 
-```R
-install.packages("ggplot2")
-```
+ \ 
  
-## Loading packages
+ \ 
  
-```{r packagesstep1, include=TRUE}
-sessionInfo()
-```
+# Complex variable type 
 
- \ 
+### Vector (aka list)
 
-```{r packagesstep2, include=TRUE}
-library(tidyverse)
+```{r Vecstep1, include=TRUE}
+c(1, 2, 3, 4, 5)
 ```
 
+or
 
-```R
-sessionInfo()
+```{r Vecstep2, include=TRUE}
+c(1:5)
 ```
+
  \ 
  
-```{r packagesstep4, include=TRUE}
-unloadNamespace("tidyverse")
+ \ 
+A mathematical calculation can be performed on the elements of the vector:
+
+```{r Vecstep3, include=TRUE}
+2^(1:5)
 ```
 
 
-```R
-sessionInfo()
+```{r Vecstep4, include=TRUE}
+x <- 1:5
+2^x
 ```
+
  \ 
  
-# Complex variable type
+ \ 
+To determine the type of the elements of a vector:
 
-## Vector (aka list)
+```{r Vecstep5, include=TRUE}
+typeof(x)
+```
 
-```R
-c(1, 2, 3, 4, 5)
+
+```{r Vecstep6, include=TRUE}
+typeof(x + 0.5)
+x + 0.5
 ```
 
-\pause
 
-```R
-1:5
+```{r Vecstep7, include=TRUE}
+is.vector(x)
 ```
 
-\pause
+ \ 
  
-```R
-2^(1:5)
+ \ 
+
+```{r Vecstep8, include=TRUE}
+y <- c(a = 1, b = 2, c = 3, d = 4, e = 5)
+typeof(y)
+is.vector(y)
 ```
 
-\pause
+ \ 
  
-```R
-x <- 1:5
-2^x
+ \ 
+We can compare the elements of two vectors:
+
+```{r Vecstep9, include=TRUE}
+x
+y
+x == y
 ```
 
-\pause
+ \ 
  
-```R
-log(x)
-logarithm(x)
-base_test(x, base = 10)
+ \ 
+ 
+If you use `all.equal` :
+
+```{r Vecstep10, include=TRUE}
+all.equal(x, y)
+isTRUE(all.equal(x, y))
+isTRUE(all.equal(x, y, check.attributes = FALSE))
 ```
+ \ 
+
+<fieldset id='pencadre' style='text-align: left'>
+  <legend style='border: 0px;'>Summary box</legend>
+  <li> A variable can be of different types : `numeric`, `character`, `vector`, etc.</li>
+  <li> Calculations and comparisons apply to vectors.</li>
+  <li> Do not hesitate to use the help box to understand functions!  </li>
+</fieldset>
+
+ \ 
  
-## Vector (aka list)
+ \ 
+
+# Packages  
+### Installing packages
 
 ```R
-typeof(x)
+install.packages("tidyverse")
 ```
 
-\pause
+or click on `Tools` and `Install Packages...`
+
+![](./img/formationR_installTidyverse.png)
+
+ \ 
 
 ```R
-typeof(x + 0.5)
+install.packages("ggplot2")
 ```
 
-\pause
+### Loading packages
 
-```R
-is.vector(x)
+```{r packagesstep1, include=TRUE}
+sessionInfo()
 ```
 
-\pause
+ \ 
 
-```R
-y <- c(a = 1, b = 2, c = 3, d = 4, e = 5)
-typeof(y)
-is.vector(y)
+```{r packagesstep2, include=TRUE}
+library(tidyverse)
 ```
 
-\pause
 
 ```R
-x == y
+sessionInfo()
+```
+### Unloading packages
+
+```{r packagesstep4, include=TRUE}
+unloadNamespace("tidyverse")
 ```
 
-\pause
 
 ```R
-all.equal(x, y)
+sessionInfo()
 ```
 
+ \ 
  
+##See you to Session#2 : "Introduction to Tidyverse"