ggplot
David Gresham
2017-11-16
- ggplot is part of the tidyverse() package
- what do we do when we plot data?
- what do we do when we plot data?
- what do we do when we plot data?
- what do we do when we plot data?
- what do we do when we plot data?
- what do we do when we plot data?
- ggplot
- ggplot
- ggplot
- ggplot constraints
- example dataset (modified yeast gff file)
- feature and chromosome are factors
- view structure using str()
- histogram of feature lengths
- plot as a distribution
- color according to feature type
- density
- Try it yourself
- geom_point
- overplotting: jitter
- overplotting: alpha
- geom_boxplot()
- mapping aesthetics within layers
- Combining layers
- Scales
- Ordering
- Flipping coordinates
- Barplots
- Barplots
- Barplot variant: fill
- Barplot variant: dodge
- Statistics
- Facetting
- Facetting (grid)
- Scatter plots
- Statistics: adding trend line
- Statistics: controlling trend line
- Colors (setting color)
- Zooming: coord_cartesian()
- Labels
- Themes : changes the overall look
- Themes
- Additional themes : theme_tufte()
- Additional themes : theme_excel()
- Generic plot function
- Concise code
- saving plots as variables
- adding to plot variables
- Exercise 1
- Read in and modify gff
- Exercise 2
- Exercise 3
ggplot is part of the tidyverse() package
#install.packages("tidyverse")
library(tidyverse)## Loading tidyverse: ggplot2
## Loading tidyverse: tibble
## Loading tidyverse: tidyr
## Loading tidyverse: readr
## Loading tidyverse: purrr
## Loading tidyverse: dplyr## Conflicts with tidy packages ----------------------------------------------## filter(): dplyr, stats
## lag(): dplyr, statswhat do we do when we plot data?
| Class | Chirality | x | y |
|---|---|---|---|
| Y | L | 0.881 | 0.216 |
| Y | R | 0.435 | 0.586 |
| Y | R | 0.463 | 0.337 |
| Y | R | 0.526 | 0.498 |
| Y | L | 0.821 | 0.021 |
| N | R | 0.585 | 0.970 |
| N | R | 0.795 | 0.735 |
| N | R | 0.585 | 0.311 |
| N | L | 0.156 | 0.889 |
| N | R | 0.262 | 0.304 |
what do we do when we plot data?
what do we do when we plot data?
what do we do when we plot data?
what do we do when we plot data?
