Contents
How is data spike measured?
Spike Detection in a Time-Series
- Compute the mean value of your time-series.
- Compute the standard deviation σ
- Isolate those values which are more than 2σ above the mean (you may need to adjust that factor of “2”)
How do you know if a stock is going to spike?
9 Signs that Penny Stock Is About to Rise
- Watch the money flows.
- Spikes in trading volume.
- See what management has done with previous companies.
- Their name, product, or industry keeps coming up.
- Bank on increasing market share.
- Welcome smaller slices of larger pies.
- Higher highs, higher lows.
- Watch professional investors.
What’s the easiest way to get a spike?
You mentioned “spikes”, the easiest way to get a spike is to draw a histogram over every 20-minute interval: Your sysadmins would set the sensitivity based on the heights of the bars i.e. the most errors tolerable in a 20-minute interval.
What to know about preprocessing and analysis of spike data?
In this tutorial you find information about preprocessing and analysis of spike data, that is isolated single unit or multi unit activity. We explain the format by which we represent spike data and demonstrate how to compute auto- and cross-correlations between spike trains
How to find spike detection in a time series?
And for people who came here hoping to find something about spike detection in a time-series: The simplest thing you should start by doing is to compute a moving average of your input values. If your series is x 1, x 2,…, then you would compute a moving average after each observation as:
Where can I get data for Spike field?
The data for this tutorial can be downloaded on ftp://ftp.fieldtriptoolbox.org/pub/fieldtrip/tutorial/spikefield/p029_sort_final_01.nex . Make sure you add the main FieldTrip directory to your path and run ft_defaults .