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Questions tagged [bins]

235 questions
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LightGBM fit throws "ValueError: Circular reference detected" with categorical feature from pd.cut

I have been using with great satisfaction lightGBM models, as I have big datasets with tens of features and million of rows, with lots of categorical columns. I like a lot the way lightGBM can get a pandas dataframe with categorical features…
Marcello
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Customizing bin widths in plotly's histogram function in R

I have a dataset that dates and call volume per day. When I plotted them using the plotly R package, all except for 1 of them had each date separated into a different bin. However, this one tricky subset of the data instead grouped bins into 2 day…
Joshua Barnes
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Number of bars in histogram - R

I have two problems with the histogram I'm making: I'm trying to generate an histogram in R, using the function hist(), for a frequency distribution of a numeric (interval) variable, which ranges from 0 to 10. The plot I'm aiming for should generate…
Mauricio Salgado
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How to extract the fundamental frequency from cepstrum?

After applying a FFT, I get a spectrum with multiple frequency bins. How to get the fundamental frequency from this spectrum using the cepstral method? I've researched a lot, tryed a lot of codes and asked three times on stackoverflow (wich helped a…
Lucas Speranza
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How to choose number of bins in numpy.histogram?

If I use histogram of matplotlib , I can choose the number of bins. But how can I choose the number of bins at histogram of numpy? import matplotlib.pyplot as plt import numpy as np array = [1,3,4,4,8,9,10,12] range = int((max(array)) -…
twi
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Extending the range of bins in seaborn histogram

I'm trying to create a histogram with seaborn, where the bins start at 0 and go to 1. However, there is only date in the range from 0.22 to 0.34. I want the empty space more for a visual effect to better present the data. I create my sheet with…
Jul
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Label histogram by bins matplotlib

I have a histogram in which I want to label the x-axis by bins. The histogram is plotted as a log log graph, but the bins are very specific. The graph: The bins: bins = [0, 0.035, 0.07, 0.15, 0.5, 1, 3, 10, 40] Is there any way I can do this? I…
Natalie
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Creating 2D bins in R

I have coordinate data in R, and I would like to determine a distribution of where my points lie. The entire space of points is a square of side length 100. I'd like to assign points to different segments on the square, for example rounded to the…
WeakLearner
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makings a bins column with dates in python

In python i have data that looks like this with 500.000 rows : TIME                            count 1-1-1900 10:41:00        1 3-1-1900 09:54:00        1 4-1-1900 15:45:00        1 5-1-1900 18:41:00        1 4-1-1900 …
camiel1985
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cut several variables, using several different number of bins for each variable

I have a dataset which looks like this: ID a b ID1 0.1 20.3 ID2 0.2 21.6 ID3 1.2 1.5 etc. I would like to group these values into equal-sized groups. This can be done with: data$bin1 <- as.numeric(cut2(data$b,g=50)) This takes the values in…
Hill
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Python pyplot histogram: Adjusting bin width, Not number of bins

I have been able to make myself a pretty little histogram that looks like this: I was able to produce the image with the following code: import numpy as np import matplotlib.pyplot as plt plt.figure() plt.axis([0, 6000, 0,…
Anna Reed
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Hexbin in R ggplot - hexagons get bigger if data is too sparse

I'm generating a series of hexbin plots for use in an animated GIF, and there are occasional frames that have a low density of data. The plots seem to create giant, misshapen hexagons. Here is an example that works as…
user3641120
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Histogram in logarithmic scale in gnuplot

I have to plot an histogram in logarithmic scale on both axis using gnuplot. I need bins to be equally spaced in log10. Using a logarithmic scale on the y axis isn't a problem. The main problem is creating the bin on the x axis. For example, using…
papafe
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Pandas cut and specifying specific bin sizes

I have just been playing with cut and specifying specific bin sizes but sometimes I was getting incorrect data in my bins. What I want to do is bin data depending on where it falls in my Risk Impact matrix. Below is the original code I used to…
twelsh37
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How to count column values in ranges rather than bins?

I am trying to find out how to neatly count the number of values in a dataframe column that fall into multiple custom ranges. I realize binning is the common technique for this, but I am not sure that is what I am looking for here. Let's say I have…
LostinSpatialAnalysis
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