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Questions tagged [graphing]

A diagram that exhibits a relationship, between two sets of numbers as a set of points having coordinates determined by the relationship.

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Plotting in R; cannot be coerced to double error

I am trying to plot a and b, each consisting of 7500 data points. However when I tried plot(x,y), I got the following error: > plot(a[11],b[11]) Error in xy.coords(x, y, xlabel, ylabel, log) : (list) object cannot be coerced to type…
Concerned_Citizen
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Making the marker size as small as possible with matplotlib.pyplot

My program can generate up to 2000000 points within 5 seconds, so I don't have a problem with speed. Right now I am using matplotlib.pyplot.scatter to scatter all my points on my graph. For s=1, it gives me small circles, but not small enough,…
Mike Smith
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Color intensity error in R

I've run into a bit of an issue in my R self-teaching. I'm hoping someone here can help, as I've found no solutions on Google. I'm trying to apply some basic color parameters to the plot command. My basic code looks either as: plot(dose,drugA, type…
Yehuda
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Using errorbar() with semilogy() in MATLAB?

I'd like to plot data x & y with errorbars, ebar, and its fit, yfitted, on a semilog plot. This doesn't seem to work: figure; hold on; errorbar(x,y,ebar); semilogy(x,yfitted); Instead of semilog plot I get a linear plot. What should I be doing…
AndyL
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How to create a decision boundary graph for kNN models in the Caret package?

I'd like to plot a decision boundary for the model created by the Caret package. Ideally, I'd like a general case method for any classifier model from Caret. However, I'm currently working with the kNN method. I've included code below that uses the…
James Kyle
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Cocoa: create graphs

Is there a framework out there that will allow me to create simple bar and line graphs?
Matt S.
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D3 graphing selective portions of data set

I have a large time series data set I need to graph, and am trying to use D3 to do it. I plan to have my graph have the x-axis be time, and allow for movement of the graph in the x direction. I want to have the graph only load/display the points…
cdietschrun
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Update Lines in matplotlib

I have a graph with multiple data sets on it. I need to continually redraw these lines, each separately, as the data is updated. How can I delete and reestablish it repeatedly, preferably without having to delete the entire graph and redraw all of…
Elliot
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matlab: putting a circled number onto a graph

I want to put a circled number on a graph as a marker near (but not on) a point. Sounds easy, but I also want to be invariant of zoom/aspect ratio changes. Because of this invariant, I can't draw a circle as a line object (without redrawing it upon…
Jason S
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"AttributeError: unexpected attribute 'plot_width' to figure, similar attributes are outer_width, width or min_width " with pandas_bokeh

I am trying to use pandas_bokeh to create a line graph with a pandas dataframe I call bucketed_df import pandas_bokeh pandas_bokeh.output_notebook() bucketed_df.plot_bokeh(kind='line') for some reason I get the error AttributeError: unexpected…
Daniel Almeida
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Plot table alongside sns.barplot

#read data into dataframe con=pd.read_csv('testOutput.csv') ''' testOutput.csv looks like : Sample,Count sample1,99.9 sample2, 96.6 ''' ## set colours to increase with…
user1338194
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Time slicing in Oracle/SQL

I have a large-ish Oracle table containing rows representing units of work, with columns for start time and end time in addition to other meta-data. I need to generate usage graphs from this data, given some arbitrary filtering criteria and a…
Ryan Bright
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How to plot square function with matplotlib

I have an list of values that alternate between 0 and 1, eg [0,1,0,1,0] and I want to graph them so they appear as a square wave using matplotlib for python. I have this so far: input_amp = [1,0,1,0,1,0,1,0,1,0] plt.plot(input_amp, marker='d',…
user35510
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Why is cosine used to calculate the x values and sine the y values for an arc?

I'm trying to understand the math on this raphael.js demo: http://raphaeljs.com/pie.js Checkout the sector method: function sector(cx, cy, r, startAngle, endAngle, params) { var x1 = cx + r * Math.cos(-startAngle * rad), x2 = cx + r *…
Bjorn
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What is a good Javascript graphing library to use with GWT application?

Do you have any suggestions of graphing libraries to use with a GWT project? I need to graph a set of data points and several lines. Also some shading of the area under a line. I am open to suggestions of straight Javascript libraries or Java that I…
Andrew Hubbs
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