[R] R cases on predictive maintenance

2016-04-04 Thread Norman Pat
Hi Team, Can you please suggest me some good cases where we can use R programming to tackle predictive maintenance problems Many thanks [[alternative HTML version deleted]] __ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more,

Re: [R] R how to find outliers and zero mean columns?

2016-03-30 Thread Norman Pat
you know the values you are looking for, you > can do something like: > > NA9<-X==9 > > and then "remove" them by replacing those values with NA: > > X[NA9]<-NA > > Be aware that all these hackles (diminutive of hacks) are pretty > specific

Re: [R] R how to find outliers and zero mean columns?

2016-03-30 Thread Norman Pat
nsemius <dwinsem...@comcast.net> wrote: > > > On Mar 30, 2016, at 3:56 PM, Norman Pat <normanma...@gmail.com> wrote: > > > > Hi team > > > > I am new to R so please help me to do this task. > > > > Please find the attached data sample. > > No. Noth

[R] R how to find outliers and zero mean columns?

2016-03-30 Thread Norman Pat
Hi team I am new to R so please help me to do this task. Please find the attached data sample. But in the original data frame I have 350 features and 40 observations. I need to carryout these tasks. 1. How to Identify features (names) that have all zeros? 2. How to remove features that