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Heatmap doc [R] - replaced colorscale attribute with colors #1242

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Jan 23, 2019
Merged

Heatmap doc [R] - replaced colorscale attribute with colors #1242

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4 changes: 2 additions & 2 deletions _posts/r/scientific/2015-07-30-heatmaps.Rmd
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Original file line number Diff line number Diff line change
Expand Up @@ -77,11 +77,11 @@ chart_link
The `colors` argument understands color brewer palettes (see `RColorBrewer::brewer.pal.info` for valid names).

```{r, results = 'hide'}
p <- plot_ly(z = volcano, colorscale = "Greys", type = "heatmap")
p <- plot_ly(z = volcano, colors = "Greys", type = "heatmap")

# Create a shareable link to your chart
# Set up API credentials: https://plot.ly/r/getting-started
chart_link = api_create(p, filename="heatmap-gray")
chart_link = api_create(p, filename="heatmap-grey")
chart_link
```

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16 changes: 8 additions & 8 deletions _posts/r/scientific/2015-07-30-heatmaps.md
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Expand Up @@ -34,7 +34,7 @@ packageVersion('plotly')
```

```
## [1] '4.5.2'
## [1] '4.8.0'
```

#### Basic Heatmap
Expand All @@ -50,7 +50,7 @@ chart_link = api_create(p, filename="heatmap-simple")
chart_link
```

<iframe src="https://plot.ly/~RPlotBot/3224.embed" width="800" height="600" id="igraph" scrolling="no" seamless="seamless" frameBorder="0"> </iframe>
<iframe src="https://plot.ly/~RPlotBot/5603.embed" width="800" height="600" id="igraph" scrolling="no" seamless="seamless" frameBorder="0"> </iframe>


#### Categorical Axes
Expand All @@ -69,23 +69,23 @@ chart_link = api_create(p, filename="heatmap-cat")
chart_link
```

<iframe src="https://plot.ly/~RPlotBot/3226.embed" width="800" height="600" id="igraph" scrolling="no" seamless="seamless" frameBorder="0"> </iframe>
<iframe src="https://plot.ly/~RPlotBot/5605.embed" width="800" height="600" id="igraph" scrolling="no" seamless="seamless" frameBorder="0"> </iframe>

#### Sequential Colorscales: Greys

The `colors` argument understands color brewer palettes (see `RColorBrewer::brewer.pal.info` for valid names).


```r
p <- plot_ly(z = volcano, colorscale = "Greys", type = "heatmap")
p <- plot_ly(z = volcano, colors = "Greys", type = "heatmap")

# Create a shareable link to your chart
# Set up API credentials: https://plot.ly/r/getting-started
chart_link = api_create(p, filename="heatmap-gray")
chart_link = api_create(p, filename="heatmap-grey")
chart_link
```

<iframe src="https://plot.ly/~RPlotBot/3228.embed" width="800" height="600" id="igraph" scrolling="no" seamless="seamless" frameBorder="0"> </iframe>
<iframe src="https://plot.ly/~RPlotBot/5607.embed" width="800" height="600" id="igraph" scrolling="no" seamless="seamless" frameBorder="0"> </iframe>

#### Custom colorscales

Expand All @@ -101,7 +101,7 @@ chart_link = api_create(p, filename="heatmap-ramp")
chart_link
```

<iframe src="https://plot.ly/~RPlotBot/3230.embed" width="800" height="600" id="igraph" scrolling="no" seamless="seamless" frameBorder="0"> </iframe>
<iframe src="https://plot.ly/~RPlotBot/5609.embed" width="800" height="600" id="igraph" scrolling="no" seamless="seamless" frameBorder="0"> </iframe>

Or, you can do the scaling yourself and use the colorscale attribute directly...

Expand All @@ -119,5 +119,5 @@ chart_link = api_create(p, filename="heatmap-custom")
chart_link
```

<iframe src="https://plot.ly/~RPlotBot/3232.embed" width="800" height="600" id="igraph" scrolling="no" seamless="seamless" frameBorder="0"> </iframe>
<iframe src="https://plot.ly/~RPlotBot/5611.embed" width="800" height="600" id="igraph" scrolling="no" seamless="seamless" frameBorder="0"> </iframe>