Top "Plot" questions

Add error bars to show standard deviation on a plot in R

For each X-value I calculated the average Y-value and the standard deviation (sd) of each Y-value x = 1:5 y = c(1.1, 1.5, 2.9, 3.8, 5.2) sd = …

r plot statistics standard-deviation errorbar

Any way to make plot points in scatterplot more transparent in R?

I have a 3 column matrix; plots are made by points based on column 1 and column 2 values, but colored based on …

r plot ggplot2 alpha

making matplotlib scatter plots from dataframes in Python's pandas

What is the best way to make a series of scatter plots using matplotlib from a pandas dataframe in Python? …

python matplotlib plot dataframe pandas

R plot: size and resolution

I have stacked into the question: I need to plot the image with DPI=1200 and specific print size. By default …

r png plot

How to remove lines in a Matplotlib plot

How can I remove a line (or lines) of a matplotlib axes in such a way as it actually gets …

python matplotlib plot

How to plot a 2D FFT in Matlab?

I am using fft2 to compute the Fourier Transform of a grayscale image in MATLAB. What is the common way …

matlab image-processing plot fft

Plotting multiple lines with pandas dataframe

I have a dataframe that looks like the following color x y 0 red 0 0 1 red 1 1 2 red 2 2 3 red 3 3 4 red 4 4 5 red 5 5 6 red 6 6 7 red 7 7 8 …

python pandas plot

Add missing dates to pandas dataframe

My data can have multiple events on a given date or NO events on a date. I take these events, …

python date plot pandas dataframe

How to plot a subset of a data frame in R?

Is there a simple way to do this in R: plot(var1,var2, for all observations in the data frame …

r plot subset

Is there any 'out-of-the-box' 2D/3D plotting library for C++?

I looked at the different options for plotting functions (or other types of graphs) in an interactive window. I mostly …

c++ graph wxwidgets plot