flex merge

count: false

.panel1-the_chunk-rotate[

```r
tibble(
  letters1 = c("a", "b", "b", "c"),
  letters2 = c("d", "e", "b", "b"),
  number = 1:4) %>%
  flextable() %>%
  theme_box() %>%
* merge_v(j = ~ letters1 + letters2 )
```
]
 
.panel2-the_chunk-rotate[
<div class="tabwid"><style>.cl-a069661a{font-family:'Arial';font-size:11px;font-weight:bold;font-style:normal;text-decoration:none;color:rgba(17, 17, 17, 1.00);background-color:transparent;}.cl-a0696656{font-family:'Arial';font-size:11px;font-weight:normal;font-style:normal;text-decoration:none;color:rgba(17, 17, 17, 1.00);background-color:transparent;}.cl-a0699db0{margin:0;text-align:left;border-bottom: 0 solid rgba(0, 0, 0, 1.00);border-top: 0 solid rgba(0, 0, 0, 1.00);border-left: 0 solid rgba(0, 0, 0, 1.00);border-right: 0 solid rgba(0, 0, 0, 1.00);padding-bottom:2px;padding-top:2px;padding-left:5px;padding-right:5px;line-height: 1.00;background-color:transparent;}.cl-a0699de2{margin:0;text-align:right;border-bottom: 0 solid rgba(0, 0, 0, 1.00);border-top: 0 solid rgba(0, 0, 0, 1.00);border-left: 0 solid rgba(0, 0, 0, 1.00);border-right: 0 solid rgba(0, 0, 0, 1.00);padding-bottom:2px;padding-top:2px;padding-left:5px;padding-right:5px;line-height: 1.00;background-color:transparent;}.cl-a069f788{width:54px;background-color:transparent;vertical-align: middle;border-bottom: 1.00px solid rgba(102, 102, 102, 1.00);border-top: 1.00px solid rgba(102, 102, 102, 1.00);border-left: 1.00px solid rgba(102, 102, 102, 1.00);border-right: 1.00px solid rgba(102, 102, 102, 1.00);margin-bottom:0;margin-top:0;margin-left:0;margin-right:0;}.cl-a069f7c4{width:54px;background-color:transparent;vertical-align: middle;border-bottom: 1.00px solid rgba(102, 102, 102, 1.00);border-top: 1.00px solid rgba(102, 102, 102, 1.00);border-left: 1.00px solid rgba(102, 102, 102, 1.00);border-right: 1.00px solid rgba(102, 102, 102, 1.00);margin-bottom:0;margin-top:0;margin-left:0;margin-right:0;}</style><table style='border-collapse:collapse;'><thead><tr style="overflow-wrap:break-word;"><td class="cl-a069f788"><p class="cl-a0699db0"><span class="cl-a069661a">letters1</span></p></td><td class="cl-a069f788"><p class="cl-a0699db0"><span class="cl-a069661a">letters2</span></p></td><td class="cl-a069f7c4"><p class="cl-a0699de2"><span class="cl-a069661a">number</span></p></td></tr></thead><tbody><tr style="overflow-wrap:break-word;"><td class="cl-a069f788"><p class="cl-a0699db0"><span class="cl-a0696656">a</span></p></td><td class="cl-a069f788"><p class="cl-a0699db0"><span class="cl-a0696656">d</span></p></td><td class="cl-a069f7c4"><p class="cl-a0699de2"><span class="cl-a0696656">1</span></p></td></tr><tr style="overflow-wrap:break-word;"><td  rowspan="2"class="cl-a069f788"><p class="cl-a0699db0"><span class="cl-a0696656">b</span></p></td><td class="cl-a069f788"><p class="cl-a0699db0"><span class="cl-a0696656">e</span></p></td><td class="cl-a069f7c4"><p class="cl-a0699de2"><span class="cl-a0696656">2</span></p></td></tr><tr style="overflow-wrap:break-word;"><td  rowspan="2"class="cl-a069f788"><p class="cl-a0699db0"><span class="cl-a0696656">b</span></p></td><td class="cl-a069f7c4"><p class="cl-a0699de2"><span class="cl-a0696656">3</span></p></td></tr><tr style="overflow-wrap:break-word;"><td class="cl-a069f788"><p class="cl-a0699db0"><span class="cl-a0696656">c</span></p></td><td class="cl-a069f7c4"><p class="cl-a0699de2"><span class="cl-a0696656">4</span></p></td></tr></tbody></table></div>
]

---
count: false

.panel1-the_chunk-rotate[

```r
tibble(
  letters1 = c("a", "b", "b", "c"),
  letters2 = c("d", "e", "b", "b"),
  number = 1:4) %>%
  flextable() %>%
  theme_box() %>%
* merge_h()
```
]
 
.panel2-the_chunk-rotate[
<div class="tabwid"><style>.cl-a091f9ea{font-family:'Arial';font-size:11px;font-weight:bold;font-style:normal;text-decoration:none;color:rgba(17, 17, 17, 1.00);background-color:transparent;}.cl-a091fa44{font-family:'Arial';font-size:11px;font-weight:normal;font-style:normal;text-decoration:none;color:rgba(17, 17, 17, 1.00);background-color:transparent;}.cl-a0921ccc{margin:0;text-align:left;border-bottom: 0 solid rgba(0, 0, 0, 1.00);border-top: 0 solid rgba(0, 0, 0, 1.00);border-left: 0 solid rgba(0, 0, 0, 1.00);border-right: 0 solid rgba(0, 0, 0, 1.00);padding-bottom:2px;padding-top:2px;padding-left:5px;padding-right:5px;line-height: 1.00;background-color:transparent;}.cl-a0921cfe{margin:0;text-align:right;border-bottom: 0 solid rgba(0, 0, 0, 1.00);border-top: 0 solid rgba(0, 0, 0, 1.00);border-left: 0 solid rgba(0, 0, 0, 1.00);border-right: 0 solid rgba(0, 0, 0, 1.00);padding-bottom:2px;padding-top:2px;padding-left:5px;padding-right:5px;line-height: 1.00;background-color:transparent;}.cl-a092ded2{width:54px;background-color:transparent;vertical-align: middle;border-bottom: 1.00px solid rgba(102, 102, 102, 1.00);border-top: 1.00px solid rgba(102, 102, 102, 1.00);border-left: 1.00px solid rgba(102, 102, 102, 1.00);border-right: 1.00px solid rgba(102, 102, 102, 1.00);margin-bottom:0;margin-top:0;margin-left:0;margin-right:0;}.cl-a092df18{width:54px;background-color:transparent;vertical-align: middle;border-bottom: 1.00px solid rgba(102, 102, 102, 1.00);border-top: 1.00px solid rgba(102, 102, 102, 1.00);border-left: 1.00px solid rgba(102, 102, 102, 1.00);border-right: 1.00px solid rgba(102, 102, 102, 1.00);margin-bottom:0;margin-top:0;margin-left:0;margin-right:0;}</style><table style='border-collapse:collapse;'><thead><tr style="overflow-wrap:break-word;"><td class="cl-a092ded2"><p class="cl-a0921ccc"><span class="cl-a091f9ea">letters1</span></p></td><td class="cl-a092ded2"><p class="cl-a0921ccc"><span class="cl-a091f9ea">letters2</span></p></td><td class="cl-a092df18"><p class="cl-a0921cfe"><span class="cl-a091f9ea">number</span></p></td></tr></thead><tbody><tr style="overflow-wrap:break-word;"><td class="cl-a092ded2"><p class="cl-a0921ccc"><span class="cl-a091fa44">a</span></p></td><td class="cl-a092ded2"><p class="cl-a0921ccc"><span class="cl-a091fa44">d</span></p></td><td class="cl-a092df18"><p class="cl-a0921cfe"><span class="cl-a091fa44">1</span></p></td></tr><tr style="overflow-wrap:break-word;"><td class="cl-a092ded2"><p class="cl-a0921ccc"><span class="cl-a091fa44">b</span></p></td><td class="cl-a092ded2"><p class="cl-a0921ccc"><span class="cl-a091fa44">e</span></p></td><td class="cl-a092df18"><p class="cl-a0921cfe"><span class="cl-a091fa44">2</span></p></td></tr><tr style="overflow-wrap:break-word;"><td  colspan="2"class="cl-a092ded2"><p class="cl-a0921ccc"><span class="cl-a091fa44">b</span></p></td><td class="cl-a092df18"><p class="cl-a0921cfe"><span class="cl-a091fa44">3</span></p></td></tr><tr style="overflow-wrap:break-word;"><td class="cl-a092ded2"><p class="cl-a0921ccc"><span class="cl-a091fa44">c</span></p></td><td class="cl-a092ded2"><p class="cl-a0921ccc"><span class="cl-a091fa44">b</span></p></td><td class="cl-a092df18"><p class="cl-a0921cfe"><span class="cl-a091fa44">4</span></p></td></tr></tbody></table></div>
]

---
count: false

.panel1-the_chunk-rotate[

```r
tibble(
  letters1 = c("a", "b", "b", "c"),
  letters2 = c("d", "e", "b", "b"),
  number = 1:4) %>%
  flextable() %>%
  theme_box() %>%
* merge_h_range(i =  ~ number < 3, j1 = "letters1", j2 = "letters2")
```
]
 
.panel2-the_chunk-rotate[
<div class="tabwid"><style>.cl-a0d09466{font-family:'Arial';font-size:11px;font-weight:bold;font-style:normal;text-decoration:none;color:rgba(17, 17, 17, 1.00);background-color:transparent;}.cl-a0d09498{font-family:'Arial';font-size:11px;font-weight:normal;font-style:normal;text-decoration:none;color:rgba(17, 17, 17, 1.00);background-color:transparent;}.cl-a0d0afe6{margin:0;text-align:left;border-bottom: 0 solid rgba(0, 0, 0, 1.00);border-top: 0 solid rgba(0, 0, 0, 1.00);border-left: 0 solid rgba(0, 0, 0, 1.00);border-right: 0 solid rgba(0, 0, 0, 1.00);padding-bottom:2px;padding-top:2px;padding-left:5px;padding-right:5px;line-height: 1.00;background-color:transparent;}.cl-a0d0b00e{margin:0;text-align:right;border-bottom: 0 solid rgba(0, 0, 0, 1.00);border-top: 0 solid rgba(0, 0, 0, 1.00);border-left: 0 solid rgba(0, 0, 0, 1.00);border-right: 0 solid rgba(0, 0, 0, 1.00);padding-bottom:2px;padding-top:2px;padding-left:5px;padding-right:5px;line-height: 1.00;background-color:transparent;}.cl-a0d117b0{width:54px;background-color:transparent;vertical-align: middle;border-bottom: 1.00px solid rgba(102, 102, 102, 1.00);border-top: 1.00px solid rgba(102, 102, 102, 1.00);border-left: 1.00px solid rgba(102, 102, 102, 1.00);border-right: 1.00px solid rgba(102, 102, 102, 1.00);margin-bottom:0;margin-top:0;margin-left:0;margin-right:0;}.cl-a0d117f6{width:54px;background-color:transparent;vertical-align: middle;border-bottom: 1.00px solid rgba(102, 102, 102, 1.00);border-top: 1.00px solid rgba(102, 102, 102, 1.00);border-left: 1.00px solid rgba(102, 102, 102, 1.00);border-right: 1.00px solid rgba(102, 102, 102, 1.00);margin-bottom:0;margin-top:0;margin-left:0;margin-right:0;}</style><table style='border-collapse:collapse;'><thead><tr style="overflow-wrap:break-word;"><td class="cl-a0d117b0"><p class="cl-a0d0afe6"><span class="cl-a0d09466">letters1</span></p></td><td class="cl-a0d117b0"><p class="cl-a0d0afe6"><span class="cl-a0d09466">letters2</span></p></td><td class="cl-a0d117f6"><p class="cl-a0d0b00e"><span class="cl-a0d09466">number</span></p></td></tr></thead><tbody><tr style="overflow-wrap:break-word;"><td  colspan="2"class="cl-a0d117b0"><p class="cl-a0d0afe6"><span class="cl-a0d09498">a</span></p></td><td class="cl-a0d117f6"><p class="cl-a0d0b00e"><span class="cl-a0d09498">1</span></p></td></tr><tr style="overflow-wrap:break-word;"><td  colspan="2"class="cl-a0d117b0"><p class="cl-a0d0afe6"><span class="cl-a0d09498">b</span></p></td><td class="cl-a0d117f6"><p class="cl-a0d0b00e"><span class="cl-a0d09498">2</span></p></td></tr><tr style="overflow-wrap:break-word;"><td class="cl-a0d117b0"><p class="cl-a0d0afe6"><span class="cl-a0d09498">b</span></p></td><td class="cl-a0d117b0"><p class="cl-a0d0afe6"><span class="cl-a0d09498">b</span></p></td><td class="cl-a0d117f6"><p class="cl-a0d0b00e"><span class="cl-a0d09498">3</span></p></td></tr><tr style="overflow-wrap:break-word;"><td class="cl-a0d117b0"><p class="cl-a0d0afe6"><span class="cl-a0d09498">c</span></p></td><td class="cl-a0d117b0"><p class="cl-a0d0afe6"><span class="cl-a0d09498">b</span></p></td><td class="cl-a0d117f6"><p class="cl-a0d0b00e"><span class="cl-a0d09498">4</span></p></td></tr></tbody></table></div>
]

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