fix error bars, add log

Author: nicolaskruchten

python/error-bars.md

@@ -6,7 +6,7 @@ jupyter:
       extension: .md
       format_name: markdown
       format_version: '1.1'
-      jupytext_version: 1.1.1
+      jupytext_version: 1.2.0
   kernelspec:
     display_name: Python 3
     language: python
@@ -20,7 +20,7 @@ jupyter:
     name: python
     nbconvert_exporter: python
     pygments_lexer: ipython3
-    version: 3.6.7
+    version: 3.6.8
   plotly:
     description: How to add error-bars to charts in Python with Plotly.
     display_as: statistical
@@ -152,25 +152,14 @@ import plotly.graph_objects as go
 
 fig = go.Figure()
 fig.add_trace(go.Bar(
-    x=['Trial 1', 'Trial 2', 'Trial 3'],
-    y=[3, 6, 4],
     name='Control',
-    error_y=dict(
-        type='data',
-        array=[1, 0.5, 1.5],
-        visible=True,
-        color='white')
+    x=['Trial 1', 'Trial 2', 'Trial 3'], y=[3, 6, 4],
+    error_y=dict(type='data', array=[1, 0.5, 1.5])
 ))
 fig.add_trace(go.Bar(
-    x=['Trial 1', 'Trial 2', 'Trial 3'],
-    y=[4, 7, 3],
     name='Experimental',
-    error_y=dict(
-        type='data',
-        array=[0.5, 1, 2],
-        visible=True,
-        color='white'
-    )
+    x=['Trial 1', 'Trial 2', 'Trial 3'], y=[4, 7, 3],
+    error_y=dict(type='data', array=[0.5, 1, 2])
 ))
 fig.update_layout(barmode='group')
 fig.show()

python/log-plot.md

@@ -0,0 +1,61 @@
+---
+jupyter:
+  jupytext:
+    notebook_metadata_filter: all
+    text_representation:
+      extension: .md
+      format_name: markdown
+      format_version: '1.1'
+      jupytext_version: 1.2.0
+  kernelspec:
+    display_name: Python 3
+    language: python
+    name: python3
+  language_info:
+    codemirror_mode:
+      name: ipython
+      version: 3
+    file_extension: .py
+    mimetype: text/x-python
+    name: python
+    nbconvert_exporter: python
+    pygments_lexer: ipython3
+    version: 3.6.8
+  plotly:
+    description: How to make Log plots in Python with Plotly.
+    display_as: scientific
+    has_thumbnail: true
+    ipynb: ~notebook_demo/31
+    language: python
+    layout: user-guide
+    name: Log Plots
+    order: 1
+    permalink: python/log-plot/
+    thumbnail: thumbnail/log.jpg
+    title: Python Log Plots | plotly
+---
+
+### Logarithmic Axes ###
+
+```python
+import plotly.graph_objects as go
+
+fig = go.Figure()
+
+fig.add_trace(go.Scatter(
+    x=[0, 1, 2, 3, 4, 5, 6, 7, 8],
+    y=[8, 7, 6, 5, 4, 3, 2, 1, 0]
+))
+
+fig.add_trace(go.Scatter(
+    x=[0, 1, 2, 3, 4, 5, 6, 7, 8],
+    y=[0, 1, 2, 3, 4, 5, 6, 7, 8]
+))
+
+fig.update_layout(xaxis_type="log", yaxis_type="log")
+fig.show()
+```
+
+#### Reference
+See https://plot.ly/python/reference/#layout-xaxis-type for more information and chart attribute options!
+