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Tag: matplotlib

Matplotlib: unspecified ticklabels appear after manually setting them

I am currently using python 3.8.3 with matplotlib 3.2.2. I want to automatically set the y-ticklabels of my plot after log transforming them. So I have written a small list comprehension that automatically generates the y-ticks, which I set simultaneously as location and label. If i execute the code seen above, the y-ticklabel list looks like this: Which is as

Select plot linestyle with plotly pandas backend

I want to be able to select the linestyle with the pandas plot method with the plotly backend. Matplotlib: When I use the matplotlib backend in pandas, I can do: which allows me to select the linestyle for each column. The output is: Plotly backend: With plotly I can do How can I select the linestyle of a given line

Does Image.open() distort grayscale PNG images?

Recently, I’ve been trying to load some grayscale images into my Python program using Pillow’s Image.open(). However, I’ve been finding that the image gets distorted, and all the values polarized. This is the image generated by the Mac preview: And, this is the image generated by the Image.open() function: My code is as follows: And, the characteristics of the image

python, How to get smoother value?

Somehow seaborn draws smoother line than actual data. For example, for x-value 0.18, actual data is like 11 but value on smoother line is about 3. How would I get value 3 for the x-value when given the list of data? The actual data are: Answer You can access the plot data with: out:

make correlation plot on time series data in python

I want to see a correlation on a rolling week basis in time series data. The reason because I want to see how rolling correlation moves each year. To do so, I tried to use pandas.corr(), pandas.rolling_corr() built-in function for getting rolling correlation and tried to make line plot, but I couldn’t correct the correlation line chart. I don’t know

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