Nov 1, 2017 · What does it mean, when, three standard deviations away from the mean, I land outside of the minimum or maximum value?

Aug 12, 2017 · I have a data set. It's biological material. I have put in my standard deviations and I can see that all of my data bar 2 data points are within 3sd of the mean. Is it accepted that data points that fall within 3sd of the mean are within normal variation? Or is the dependant on the range and dispersement of the data? I'm not a mathematician.

May 2, 2022 · Removing outliers (by column) above 3 standard deviations of the median in R with multiple columns in a time series. I want to remove the row that has an outlier. In the example below, the last row...

Following my question here, I am wondering if there are strong views for or against the use of standard deviation to detect outliers (e.g. any datapoint that is more than 2 standard deviation is an

Mar 21, 2017 · Hi girls and boys! Could any of yous explain to me what -3SD and +3SD mean? Why is it three? I have the software CVCX (practicing every day) and am trying to get a clearer picture in my head what that widget means. Replies greatly appreciated! Thank you Sent from my LG-H955 using Tapatalk

Jan 3, 2016 · I can calculate mean and sd for each subject, but I do not know how to compare each subjects' value of +/-3SD to the original rt variable and create a new rt variable with those values that are +/-3SD as missing.

Say, I have an array: import numpy as np x = np.array ( [0, 1, 2, 5, 6, 7, 8, 8, 8, 10, 29, 32, 45]) How can I calculate the 3rd standard deviation for it, so I could ...

Mar 25, 2019 · I have a dataset with participant IDS and 17 different measures for each participant. I need to remove outliers- numbers that are 3 standard deviations away from the mean both sides. This needs to

Aug 16, 2017 · What code did you run to produce SUMCL? Also, what is it you want to filter? Do you want to set values that are greater than 3SD from the mean (for their row) to NA?

Dec 26, 2019 · I mean any values less than -3sd should be replaced with min value and any values greater than +3sd should be replaced with max value. I updated the post as well