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Sequence contains more than one element

... Cᴏʀʏ 93.2k1818 gold badges154154 silver badges181181 bronze badges answered Aug 10 '09 at 19:38 JaredParJaredPar ...
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Overlaying histograms with ggplot2 in R

... with some output: dat <- data.frame(xx = c(runif(100,20,50),runif(100,40,80),runif(100,0,30)),yy = rep(letters[1:3],each = 100)) ggplot(dat,aes(x=xx)) + geom_histogram(data=subset(dat,yy == 'a'),fill = "red", alpha = 0.2) + geom_histogram(data=subset(dat,yy == 'b'),fill = "blue", alph...
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What is the difference between svg's x and dx attribute?

... .attr("y",100) .attr("transform", function(d, i) {return "rotate("+45*i+","+d+",100)";}); // With the dy=0.35em offset group.append("text") .text("My text") .attr("x",function (d) {return d;}) .attr("y",200) .attr("dy","0.35em") .attr("transform", function(d, i) {return ...
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Convert column classes in data.table

...tor w/ 2 levels "A","B": 1 1 1 1 1 2 2 2 2 2 $ Quarter: chr "1" "2" "3" "4" ... $ value : num -0.838 0.146 -1.059 -1.197 0.282 ... Using lapply and as.character: dtnew <- dt[, lapply(.SD, as.character), by=ID] str(dtnew) Classes ‘data.table’ and 'data.frame': 10 obs. of 3 variabl...
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swift case falling through

... | edited Nov 14 '17 at 11:17 appiconhero.co 9,08388 gold badges5858 silver badges9494 bronze badges ...
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add a string prefix to each value in a string column using Pandas

...tion? – acecabana Apr 17 '18 at 19:04 1 @tagoma, after 4 years, Yes : it also support the datafr...
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How to do this using jQuery - document.getElementById(“selectlist”).value

... 214 "Equivalent" is the word here While... $('#selectlist').val(); ...is equivalent to... docum...
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How do I change the formatting of numbers on an axis with ggplot?

...on the y-axis are coming out with computer style exponent formatting, i.e. 4e+05, 5e+05, etc. This is obviously unacceptable, so I want to get it to display them as 500,000, 400,000, and so on. Getting a proper exponent notation would also be acceptable. ...
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Format decimal for percentage values?

... 428 Use the P format string. This will vary by culture: String.Format("Value: {0:P2}.", 0.8526) /...
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How to synchronize a static variable among threads running different instances of a class in Java?

... 194 There are several ways to synchronize access to a static variable. Use a synchronized static m...