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I have several variables with monthly stock returns like qqqret, gldret,spyret. I would like to create a stacked histogram or dotplot of them all on the same scale. any ideas how?
thanks!
ps. if i stack my vectors on top of each other and create an indicator variable for each one I could use strip plot. but i want to be able to say something like "hist qqqret gldret spyret"
dotplot supports a varlist: see the help.
stripplot (SSC) is an alternative.
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I have a file containing many lines like
"resourcename" : "myfile.pdf",
I want to replace everywhere myfile.pdf with an URL like http://somedomain.com/myfile.pdf. But the file name keeps changing. So if myfile.pdf becomes yourfile.pdf, I want to replace it with http://somedomain.com/yourfile.pdf.
What is an efficient way to do global replacement(/g) without affecting the file's encoding like UTF-8?
Thanks
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incr like_unlike_counter1234['b']['total']by 1 with ttl=10;
How to implement ttl in counter column .There is any way for that?
No, counter columns don't support TTLs. See Jira issue CASSANDRA-2103 for the technical details why this is tricky.
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Closed 8 years ago.
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I have data in the following format:
Variable - Value
A 1
B 2
A 3
B 4
and so on.
Notice how the variable is recurring for different values. I want to draw a line for each variable that shows its different values assuming the X-axis is time.
Please any help.
I would start off by creating a Pivot table based on the data that you have and then create the line graph from there.
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The points are in a plane，marked with two numbers indicating coordinates.give out a connect sequence.
Take the convex hull. If it is a quadrilateral, you are done. If it is a triangle, you can break any of its edges apart to include the inner point.
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How to create a views in Cassandra,Can you give me an example, which data is coming from two or more tables.
You can't create views in Cassandra. Just like you can't do joins. It's not that kind of a database. With Cassandra you model your schema differently and you denormalize.