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  2. Peristimulus time histogram - Wikipedia

    en.wikipedia.org/wiki/Peristimulus_time_histogram

    The peristimulus time histogram is sometimes called perievent time histogram, and post-stimulus and peri-stimulus are often hyphenated. The prefix peri, for through, is typically used in the case of periodic stimuli, in which case the PSTH show neuron firing times wrapped to one cycle of the stimulus.

  3. Collatz conjecture - Wikipedia

    en.wikipedia.org/wiki/Collatz_conjecture

    Total stopping time is on the x axis, frequency on the y axis. Histogram of total stopping times for the numbers 1 to 10 9. Total stopping time is on the x axis, frequency on the y axis. Iteration time for inputs of 2 to 10 7. Total stopping time of numbers up to 250, 1000, 4000, 20000, 100000, 500000

  4. Scott's rule - Wikipedia

    en.wikipedia.org/wiki/Scott's_Rule

    Scott's rule is a method to select the number of bins in a histogram. [1] Scott's rule is widely employed in data analysis software including R , [ 2 ] Python [ 3 ] and Microsoft Excel where it is the default bin selection method.

  5. Biological neuron model - Wikipedia

    en.wikipedia.org/wiki/Biological_neuron_model

    Integrate-and-fire models with output noise can be used to predict the peristimulus time histogram (PSTH) of real neurons under arbitrary time-dependent input. [22] For non-adaptive integrate-and-fire neurons, the interval distribution under constant stimulation can be calculated from stationary renewal theory. [27]

  6. The 20 best white sneakers of 2025 - AOL

    www.aol.com/lifestyle/best-white-sneakers...

    Hoka is one of the most popular brands of running and walking shoes out there today, and if you want a white sneaker that marries style and performance, we highly recommend the new Clifton 9.

  7. First-hitting-time model - Wikipedia

    en.wikipedia.org/wiki/First-hitting-time_model

    The first hitting time is defined as the time when the stochastic process first reaches the threshold. It is very important to distinguish whether the sample path of the parent process is latent (i.e., unobservable) or observable, and such distinction is a characteristic of the FHT model. By far, latent processes are most common.

  8. He's in a wheelchair, she's not. Their love story created an ...

    www.aol.com/hes-wheelchair-shes-not-love...

    They picked him up and she was taken aback because Stephen wore a beautiful suit. "And tie," Stephen, 56, piped up. "And my first thought was that he was just beautiful," said Elizabeth.

  9. ChatGPT went down for short time before OpenAI implements fix

    www.aol.com/chatgpt-website-goes-down-openai...

    ChatGPT, the massively popular conversational chatbot, was down for a short time before the issue was resolved, according to an OpenAI status update.