1. 2018-03-26 Re: [R] Take average of previous weeks r-help Bert Gunter 2. 2018-03-26 Re: [R] Take average of previous weeks r-help Miluji Sb 3. 2018-03-25 Re: [R] Take average of previous weeks r-help Bert Gunter 4. 2018-03-25 Re: [R] Take average of previous weeks r-help Gabor Grothendieck 5. 2018-03-25 [R] Take average of previous weeks r-help Miluji Sb