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Questions - altair

Is there a way to hide nulls in an Altair chart?

I don't want the null values to show on my Altair chart. Is there any way to do this without removing them from my data before charting them? I have a data frame: d7_rent_own d8a_moving 0 ...
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midnightradi0

charts

null

altair

Votes: 0

Answers: 1

Latest Answer

You could drop these using pandas dropna on the dataframe as you are passing it to Altair. This will avoid removing them from the dataframe stored in the variable df_ex. alt.Chart(df_ex.dropna()).mark...
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joelostblom

How to increase bar spacing in altair

I am trying to create an interactive chart such as when selecting a category, it displays all items in that category, but I haven't found a way to account for the variable height of the lower chart, w...
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flbyrne

python

altair

Votes: 0

Answers: 1

Latest Answer

You can increase the number of pixels used for each discrete step (i.e. each bar) by using {"step": <number>}. You can also create more space between bars by narrowing the bars themsel...
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joelostblom

Is it possible to customize the size of marks in Altair?

I want to change the size of the squares so that the contrast between the larger ones is easier to see, and the initial first two don't have such a big gap. Is there a way to do this? No matter what ...
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Murtaza Ali

altair

Votes: 0

Answers: 1

Latest Answer

Sizes work like other encodings in Altair, so you can think of this the same as if you would have the variable spread out over your x or y-axis and wanting to change the distance between the small val...
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joelostblom

Is there a way to customize the placement of concatenated charts in Altair?

I have the following chart in Altair, and I was wondering if there is a way to change the orientation of the map chart. I have tried using the "center" and "spacing" parameters, bu...
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Murtaza Ali

python

altair

vega-lite

Votes: 0

Answers: 1

Latest Answer

I don't think there is a straightforward to achieve this, although you could do something like this: import altair as alt from vega_datasets import data source = data.cars() chart1 = alt.Chart(sourc...
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joelostblom

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