> s_complete$Dotcounting_SNB[s_complete$Dotcounting_SNB == "missing"] <- NA > table(s_complete$Dotcounting_SNB) A-B-C-D A-C-B-D A-D-B-C B-A-C-D B-A-D-C B-C B-C-D-A D-C-B-A missing 2711 80 80 159 80 80 80 159 0

### This is how you insert image

![](http://www.r-statistics.com/wp-content/uploads/2014/11/r-logo.png)

### This is how you insert video

<iframe width="420" height="315" src="https://www.youtube.com/embed/O72FWNeO-xY" frameborder="0" allowfullscreen></iframe>

### How to add a hyperlink

<a href="https://www.rstudio.com/">Visit RStudio </a>

### How to insert a footnote

Please check the footnote[^footnote].

[^footnote]: Please note that this is the footnote.

### How to highlight some text

** Important note**: Please check the readme file before proceeding.

### How to add a table

| Column 1 | Column 2 |
|----------|----------|
| A1       | B1       |
| A2       | B2       |
| A3       | B3       |

### How to add a table with column