header_footer.Rmd

---
title: "flextable package"
subtitle: "a grammar to produce tabular reporting from R"
date: "`r Sys.Date()`"
output:
  xaringan::moon_reader:
    css: ['default', 'static/ardata-remark.css']
---

---

## Header & Footer

.marker-writting[
On "header" & "footer" part you can :

* Define a whole data.frame 
* Add top/bottom lines
* Use format & layout functions

]

---

## Header & Footer

.marker-writting[
Define a data.frame as header
]

![](./static/img/head_df.svg)

````{r, eval = FALSE, echo = FALSE}
# Je garde le code pour créer les images mises dans le SVG ici
# mais il n'est pas executé dans la présentation
my_header <- data.frame(
  col_keys = c("Sepal.Length", "Sepal.Width", "Petal.Length", "Petal.Width", "Species"), 
  line1 = c("Sepal", "Sepal", "Petal", "Petal", "Species"), 
  line2 = c("Length", "Width", "Length", "Width", "Species"),
  stringsAsFactors = FALSE
)

# RESULT
zz <- flextable(head(iris)) %>% 
  set_header_df(
    mapping = my_header, 
    key = "col_keys"
  ) %>% 
  merge_v(part = "header") %>% 
  merge_h(part = "header") %>% 
  theme_doc()

# HEADER
zz %>% delete_part("body")

# BODY
zz %>% delete_part("header")

# RESULT
zz
````

---

## Header & Footer


.marker-writting[
Define a data.frame as header and/or footer
]

.row[

.col-xs-12[
<pre class = "nomtop nombottom">
<code class="r remark-code">my_header <- data.frame(
  <strong>col_keys</strong> = colnames(iris), 
  line1 = c('Sepal', 'Sepal', 'Petal', 'Petal', 'Species'), 
  line2 = c('Length', 'Width', 'Length', 'Width', 'Species'),
  stringsAsFactors = FALSE
)
</code></pre>
]

]

---

## Header & Footer


.marker-writting[
Define a data.frame as header and/or footer
]

.row[

.col-xs-12[
<pre class = "nomtop nombottom">
<code class="r remark-code">my_header <- data.frame(
  <strong>col_keys</strong> = colnames(iris), 
  line1 = c('Sepal', 'Sepal', 'Petal', 'Petal', 'Species'), 
  line2 = c('Length', 'Width', 'Length', 'Width', 'Species'),
  stringsAsFactors = FALSE
)
</code></pre>
]

]

.row[

.col-xs-4[

<pre class = "nomtop nombottom">
<code class="r remark-code">flextable(head(iris)) %>% 
  theme_doc()
</code></pre>

]

.col-xs-8[

````{r, echo = FALSE}
my_header <- data.frame(
  col_keys = c("Sepal.Length", "Sepal.Width", "Petal.Length", "Petal.Width", "Species"), 
  line1 = c("Sepal", "Sepal", "Petal", "Petal", "Species"), 
  line2 = c("Length", "Width", "Length", "Width", "Species"),
  stringsAsFactors = FALSE
)

flextable(head(iris)) %>% 
  theme_doc2()
````

]

]

---

## Header & Footer


.marker-writting[
Define a data.frame as header and/or footer
]

.row[

.col-xs-12[
<pre class = "nomtop nombottom">
<code class="r remark-code">my_header <- data.frame(
  <strong>col_keys</strong> = colnames(iris), 
  line1 = c('Sepal', 'Sepal', 'Petal', 'Petal', 'Species'), 
  line2 = c('Length', 'Width', 'Length', 'Width', 'Species'),
  stringsAsFactors = FALSE
)
</code></pre>
]

]

.row[

.col-xs-4[

<pre class = "nomtop nombottom">
<code class="r remark-code">flextable(head(iris)) %>% 
  theme_doc() %>%
  <strong>set_header_df</strong>(
    mapping = my_header, 
    key = "col_keys"
  )
</code></pre>

]

.col-xs-8[

````{r, echo = FALSE}
flextable(head(iris)) %>% 
  set_header_df(
    mapping = my_header, 
    key = "col_keys"
  ) %>% 
  theme_doc2()
````

]

]

---

## Header & Footer


.marker-writting[
Define a data.frame as header and/or footer
]

.row[

.col-xs-12[
<pre class = "nomtop nombottom">
<code class="r remark-code">my_header <- data.frame(
  <strong>col_keys</strong> = colnames(iris), 
  line1 = c('Sepal', 'Sepal', 'Petal', 'Petal', 'Species'), 
  line2 = c('Length', 'Width', 'Length', 'Width', 'Species'),
  stringsAsFactors = FALSE
)
</code></pre>
]

]

.row[

.col-xs-4[

<pre class = "nomtop nombottom">
<code class="r remark-code">flextable(head(iris)) %>% 
  theme_doc() %>%
  <strong>set_header_df</strong>(
    mapping = my_header, 
    key = "col_keys"
  ) %>% 
  merge_v(part = "header") %>% 
  merge_h(part = "header")
</code></pre>

]

.col-xs-8[

````{r, echo = FALSE}
flextable(head(iris)) %>% 
  set_header_df(
    mapping = my_header, 
    key = "col_keys"
  ) %>% 
  merge_v(part = "header") %>% 
  merge_h(part = "header") %>% 
  theme_doc2()
````

]

]

---

## Header & Footer


.marker-writting[
Define a data.frame as header and/or footer
]

.row[

.col-xs-12[
<pre class = "nomtop nombottom">
<code class="r remark-code">my_header <- data.frame(
  <strong>col_keys</strong> = colnames(iris), 
  line1 = c('Sepal', 'Sepal', 'Petal', 'Petal', 'Species'), 
  line2 = c('Length', 'Width', 'Length', 'Width', 'Species'),
  stringsAsFactors = FALSE
)
</code></pre>
]

]

.row[

.col-xs-4[

<pre class = "nomtop nombottom">
<code class="r remark-code">flextable(head(iris)) %>% 
  theme_doc() %>%
  <strong>set_header_df</strong>(
    mapping = my_header, 
    key = "col_keys"
  ) %>% 
  merge_v(part = "header") %>% 
  merge_h(part = "header") %>%
  <strong>set_footer_df</strong>(
    mapping = my_header[, 3:1],
    key = "col_keys"
  )
</code></pre>

]

.col-xs-8[

````{r, echo = FALSE}
flextable(head(iris)) %>% 
  set_header_df(
    mapping = my_header, 
    key = "col_keys"
  ) %>% 
  merge_v(part = "header") %>% 
  merge_h(part = "header") %>% 
  set_footer_df(
    mapping = my_header[,3:1],
    key = "col_keys"
  ) %>%
  theme_doc2()
````

]

]

---

## Header & Footer


.marker-writting[
Define a data.frame as header and/or footer
]

.row[

.col-xs-12[
<pre class = "nomtop nombottom">
<code class="r remark-code">my_header <- data.frame(
  <strong>col_keys</strong> = colnames(iris), 
  line1 = c('Sepal', 'Sepal', 'Petal', 'Petal', 'Species'), 
  line2 = c('Length', 'Width', 'Length', 'Width', 'Species'),
  stringsAsFactors = FALSE
)
</code></pre>
]

]

.row[

.col-xs-4[

<pre class = "nomtop nombottom">
<code class="r remark-code">flextable(head(iris)) %>% 
  theme_doc() %>%
  <strong>set_header_df</strong>(
    mapping = my_header, 
    key = "col_keys"
  ) %>% 
  merge_v(part = "header") %>% 
  merge_h(part = "header") %>%
  <strong>set_footer_df</strong>(
    mapping = my_header[, 3:1],
    key = "col_keys"
  ) %>%
  merge_v(part = "footer") %>%
  merge_h(part = "footer)
</code></pre>

]

.col-xs-8[

````{r, echo = FALSE}
flextable(head(iris)) %>% 
  set_header_df(
    mapping = my_header, 
    key = "col_keys"
  ) %>% 
  merge_v(part = "header") %>% 
  merge_h(part = "header") %>% 
  set_footer_df(
    mapping = my_header[,3:1],
    key = "col_keys"
  ) %>%
  merge_v(part = "footer") %>%
  merge_h(part = "footer") %>%
  theme_doc2()
````

]

]

---

## Header & Footer


.marker-writting[
Add lines on header and footer and apply format functions on them.
]

.row[

.col-xs-7[

<pre class = "nomtop nombottom">
<code class="r remark-code">flextable(head(airquality))
</code></pre>

]

.col-xs-5[

````{r, echo = FALSE}
flextable(head(airquality))
````

]
]

---

## Header & Footer


.marker-writting[
Add lines on header and footer and apply format functions on them.
]

.row[

.col-xs-7[

<pre class = "nomtop nombottom">
<code class="r remark-code">flextable(head(airquality)) %>%
  theme_formats()
</code></pre>

]

.col-xs-5[

````{r, echo = FALSE}
flextable(head(airquality)) %>%
  misc_formatting()
````

]
]


---

## Header & Footer


.marker-writting[
Add lines on header and footer and apply format functions on them.
]

.row[

.col-xs-7[

<pre class = "nomtop nombottom">
<code class="r remark-code">flextable(head(airquality)) %>%
  theme_formats() %>%
  <strong>add_footer_lines</strong>(c("Wind > 12", "Wind < 12"))
</code></pre>

]

.col-xs-5[

````{r, echo = FALSE}
flextable(head(airquality)) %>%
  misc_formatting() %>%
  add_footer_lines(c("Wind > 12", "Wind < 12"))
````

]
]

---

## Header & Footer


.marker-writting[
Add lines on header and footer and apply format functions on them.
]

.row[

.col-xs-7[

<pre class = "nomtop nombottom">
<code class="r remark-code">flextable(head(airquality)) %>%
  theme_formats() %>%
  <strong>add_footer_lines</strong>(c("Wind > 12", "Wind < 12")) %>%
  <strong>bold</strong>(part = "footer")
</code></pre>

]

.col-xs-5[

````{r, echo = FALSE}
flextable(head(airquality)) %>%
  misc_formatting() %>%
  add_footer_lines(c("Wind > 12", "Wind < 12")) %>%
  bold(part = "footer")
````

]
]

---

## Header & Footer


.marker-writting[
Add lines on header and footer and apply format functions on them.
]

.row[

.col-xs-7[

<pre class = "nomtop nombottom">
<code class="r remark-code">flextable(head(airquality)) %>%
  theme_formats() %>%
  <strong>add_footer_lines</strong>(c("Wind > 12", "Wind < 12")) %>%
  <strong>bold</strong>(part = "footer") %>%
  <strong>italic</strong>(part = "footer")
</code></pre>

]

.col-xs-5[

````{r, echo = FALSE}
flextable(head(airquality)) %>%
  misc_formatting() %>%
  add_footer_lines(c("Wind > 12", "Wind < 12")) %>%
  bold(part = "footer") %>%
  italic(part = "footer")
````

]
]

---

## Header & Footer


.marker-writting[
Add lines on header and footer and apply format functions on them.
]

.row[

.col-xs-7[

<pre class = "nomtop nombottom">
<code class="r remark-code">flextable(head(airquality)) %>%
  theme_formats() %>%
  <strong>add_footer_lines</strong>(c("Wind > 12", "Wind < 12")) %>%
  <strong>bold</strong>(part = "footer") %>%
  <strong>italic</strong>(part = "footer") %>%
  <strong>align</strong>(align = "right", part = "footer")
</code></pre>

]

.col-xs-5[

````{r, echo = FALSE}
flextable(head(airquality)) %>%
  misc_formatting() %>%
  add_footer_lines(c("Wind > 12", "Wind < 12")) %>%
  bold(part = "footer") %>%
  italic(part = "footer") %>%
  align(align = "right", part = "footer")
````

]
]

---

## Header & Footer


.marker-writting[
Add lines on header and footer and apply format functions on them.
]

.row[

.col-xs-7[

<pre class = "nomtop nombottom">
<code class="r remark-code">flextable(head(airquality)) %>%
  theme_formats() %>%
  <strong>add_footer_lines</strong>(c("Wind > 12", "Wind < 12")) %>%
  <strong>bold</strong>(part = "footer") %>%
  <strong>italic</strong>(part = "footer") %>%
  <strong>align</strong>(align = "right", part = "footer") %>%
  <strong>color</strong>(i = 1, part = "footer", color = "#17a589")
</code></pre>

]

.col-xs-5[

````{r, echo = FALSE}
flextable(head(airquality)) %>%
  misc_formatting() %>%
  add_footer_lines(c("Wind > 12", "Wind < 12")) %>%
  bold(part = "footer") %>%
  italic(part = "footer") %>%
  align(align = "right", part = "footer") %>%
  color(i = 1, part = "footer", color = "#17a589")
````

]
]

---

## Header & Footer


.marker-writting[
Add lines on header and footer and apply format functions on them.
]

.row[

.col-xs-7[

<pre class = "nomtop nombottom">
<code class="r remark-code">flextable(head(airquality)) %>%
  theme_formats() %>%
  <strong>add_footer_lines</strong>(c("Wind > 12", "Wind < 12")) %>%
  <strong>bold</strong>(part = "footer") %>%
  <strong>italic</strong>(part = "footer") %>%
  <strong>align</strong>(align = "right", part = "footer") %>%
  <strong>color</strong>(i = 1, part = "footer", color = "#17a589") %>%
  <strong>color</strong>(i = 2, part = "footer", color = "#ca6f1e")
</code></pre>

]

.col-xs-5[

````{r, echo = FALSE}
flextable(head(airquality)) %>%
  misc_formatting() %>%
  add_footer_lines(c("Wind > 12", "Wind < 12")) %>%
  bold(part = "footer") %>%
  italic(part = "footer") %>%
  align(align = "right", part = "footer") %>%
  color(i = 1, part = "footer", color = "#17a589") %>%
  color(i = 2, part = "footer", color = "#ca6f1e")
````

]
]

---

## Header & Footer


.marker-writting[
Add lines on header and footer and apply format functions on them.
]

.row[

.col-xs-7[

<pre class = "nomtop nombottom">
<code class="r remark-code">flextable(head(airquality)) %>%
  theme_formats() %>%
  <strong>add_footer_lines</strong>(c("Wind > 12", "Wind < 12")) %>%
  <strong>bold</strong>(part = "footer") %>%
  <strong>italic</strong>(part = "footer") %>%
  <strong>align</strong>(align = "right", part = "footer") %>%
  <strong>color</strong>(i = 1, part = "footer", color = "#17a589") %>%
  <strong>color</strong>(i = 2, part = "footer", color = "#ca6f1e") %>%
  <strong>add_header_lines</strong>(
    values = c("Daily air quality measurements in New York, 
      May to September 1973."), 
    top = TRUE
  )
</code></pre>

]

.col-xs-5[

````{r, echo = FALSE}
flextable(head(airquality)) %>%
  misc_formatting() %>%
  add_footer_lines(c("Wind > 12", "Wind < 12")) %>%
  bold(part = "footer") %>%
  italic(part = "footer") %>%
  align(align = "right", part = "footer") %>%
  color(i = 1, part = "footer", color = "#17a589") %>%
  color(i = 2, part = "footer", color = "#ca6f1e") %>%
  add_header_lines(
    values = c("Daily air quality measurements in New York, May 1973."), top = TRUE
  )
````

]
]

---

## Header & Footer


.marker-writting[
Add lines on header and footer and apply format functions on them.
]

.row[

.col-xs-7[

<pre class = "nomtop nombottom">
<code class="r remark-code">flextable(head(airquality)) %>%
  theme_formats() %>%
  <strong>add_footer_lines</strong>(c("Wind > 12", "Wind < 12")) %>%
  <strong>bold</strong>(part = "footer") %>%
  <strong>italic</strong>(part = "footer") %>%
  <strong>align</strong>(align = "right", part = "footer") %>%
  <strong>color</strong>(i = 1, part = "footer", color = "#17a589") %>%
  <strong>color</strong>(i = 2, part = "footer", color = "#ca6f1e") %>%
  <strong>add_header_lines</strong>(
    values = c("Daily air quality measurements in New York, 
      May to September 1973."), 
    top = TRUE
  ) %>%
  <strong>italic</strong>(part = "header")
</code></pre>

]

.col-xs-5[

````{r, echo = FALSE}
flextable(head(airquality)) %>%
  misc_formatting() %>%
  add_footer_lines(c("Wind > 12", "Wind < 12")) %>%
  bold(part = "footer") %>%
  italic(part = "footer") %>%
  align(align = "right", part = "footer") %>%
  color(i = 1, part = "footer", color = "#17a589") %>%
  color(i = 2, part = "footer", color = "#ca6f1e") %>%
  add_header_lines(
    values = c("Daily air quality measurements in New York, May 1973."), top = TRUE
  ) %>%
  italic(part = "header")
````

]
]


---

## Header & Footer


.marker-writting[
Add lines on header and footer and apply format functions on them.
]

.row[

.col-xs-7[

<pre class = "nomtop nombottom">
<code class="r remark-code">flextable(head(airquality)) %>%
  theme_formats() %>%
  <strong>add_footer_lines</strong>(c("Wind > 12", "Wind < 12")) %>%
  <strong>bold</strong>(part = "footer") %>%
  <strong>italic</strong>(part = "footer") %>%
  <strong>align</strong>(align = "right", part = "footer") %>%
  <strong>color</strong>(i = 1, part = "footer", color = "#17a589") %>%
  <strong>color</strong>(i = 2, part = "footer", color = "#ca6f1e") %>%
  <strong>add_header_lines</strong>(
    values = c("Daily air quality measurements in New York, 
      May to September 1973."), 
    top = TRUE
  ) %>%
  <strong>italic</strong>(part = "header") %>%
  <strong>fontsize</strong>(i = 1, part = "header", size = 8)
</code></pre>

]

.col-xs-5[

````{r, echo = FALSE}
flextable(head(airquality)) %>%
  misc_formatting() %>%
  add_footer_lines(c("Wind > 12", "Wind < 12")) %>%
  bold(part = "footer") %>%
  italic(part = "footer") %>%
  align(align = "right", part = "footer") %>%
  color(i = 1, part = "footer", color = "#17a589") %>%
  color(i = 2, part = "footer", color = "#ca6f1e") %>%
  add_header_lines(
    values = c("Daily air quality measurements in New York, May 1973."), top = TRUE
  ) %>%
  italic(part = "header") %>%
  fontsize(i = 1, part = "header", size = 8)
````

]
]