Stata winsor2 cut
http://wlm.userweb.mwn.de/Stata/wstatwin.htm WebFor example, you might want to convert a continuous reading score that ranges from 0 to 100 into 3 groups (say low, medium and high). You can use egen with the cut () function …
Stata winsor2 cut
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WebAbstract. winsor takes the non-missing values of a variable and generates a new variable identical except that the h highest and h lowest values are replaced by the next value counting inwards from the extremes. h can be specified directly or indirectly by specifying a fraction p of the number of observations: h = [p n]. This transformation is ... WebJan 30, 2024 · You can do it by using Stata's winsor2 command. I recommend that you check the code. In excel, it would be a tougher way than in Stata.
WebHere is a sample of my data-set. date Ret1 Ret2 Ret3 ... Ret917 1/11/2011 3.05 3.17 27.84 ... 3.42 2/11/2011 3.12 3.19 28.08 ... 3.45. I tried using: winsor2 [varlist], replace cuts (5 95) But evidently, this didn't work since it only deals with one Ret variable at a time, instead of pooling the extreme values and replacing all the Ret ... WebMay 17, 2016 · ssc install winsor2 Option 2 1) Alternatively, you could also make two new columns, one with the 99.9% values and one with the 0.1% values: 2) Then compare the …
WebThu, 23 Oct 2008 13:29:38 +0200: mailto:[email protected]] On Behalf Of Katia Bobulova Sent: Thursday, October 23, 2008 1:11 PM To: … WebNov 25, 2024 · Stata Abstract winsor2 can winsorize a varlist, operate with the by prefix, and offers a replace option. Suggested Citation Yujun Lian, 2014. " WINSOR2: Stata module to …
WebIf we were to winsorize each of the variables and correlate them the influence of the extreme points would be reduced. wincorr a b winsorized correlation r_w (a, b) = 0.6900 N = 22 …
WebMay 5, 2015 · 1 Answer Sorted by: 0 You can use the winsor2 command from SSC. The syntax is like winsor2 that_variable, trim levels (1 99) In my opinion, I think you should do … micah swansonWebThis video shows how to winsorize data with Stata if there are potential outliers present in your data. This video is an alternative to video 7. Show more Comments are turned off. … micah tompkinsWebMar 23, 2024 · This video is part of my Stata series. A series where I help you learn how to use Stata. In this video, we look at how to use the winsor command to winsorize your … micah templeWebMar 3, 2024 · winsor2：离群值和异常值的缩尾处理. 1. 异常值（离群值）. 3. 相关推文. 1. 异常值（离群值）. 在回归分析时，如果数据中存在异常值，很可能对回归结果产生非常大的影响，甚至扭曲真实结果。. 比较简单的理解，在算平均分数时，可能会去掉最高分和最低分 ... micah tracy aprnWebgstats winsor wage, replace cuts (1 99) which can be done by hand: replace wage = 1.930993 if wage < 1.930993 replace wage = 38.70926 if wage > 38.70926 Note that, values smaller than the 1st percentile are repalced by that value, and similarly with values above the 99th percentile. micah thompson paris ilWebTools. Stats and data quality resources. Statistical Test Selector: UCLA’s guide to what statistical test should be used, with example code in Stata, R, SPSS, and SAS; Bad data and how to fix them: Encyclopedia of all the things that can and do go wrong with data, and suggestions on how to fix.; DataBasic: Suite of web tools for beginners to work with data micah thorp kaiser permanenteWebIf we were to winsorize each of the variables and correlate them the influence of the extreme points would be reduced. wincorr a b winsorized correlation r_w (a, b) = 0.6900 N = 22 approximate t = 4.26 df = 12 p-value = 0.0011 The winsorized correlation is 0.69 which is closer to the actual relationship. micah tomlinson md