Horizontal bar chart with just one dimension in Google data studio (looker studio) - google-data-studio

I hava dataset with emails and level of expertise
Emails Level of expertise
person1#gmail.com Beginner
person2#gmail.com Intermediate
person3#gmail.com Intermediate
person4#gmail.com Advanced
person5#gmail.com Beginner
person6#gmail.com Intermediate
person7#gmail.com Advanced
I want to create a horizontal bar chart with just one dimension as shown below
Right now what I am doing in data studio is
and that generates this graph
Any help would be appreciated thanks

You can create a new column of data using a calculated field as shown below and then use it as dimension to achieve the intended design chart.
REGEXP_REPLACE(Date,"[\\s\\S]+","Level of expertise")

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Or with code using the object_definition function.

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Feel free to upload your model.bim file if the above does not help.

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Using an as-yet undiscovered stroke of genius detailed here in an answer?
Sure looks like an Excel application to me, start to end. (heh)
I can't imagine your users typing enough data in to make performance an issue. Excel will only take 32757 rows by ditto columns. If that's enough, I'd say you're golden.

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