search for: dayssamp

Displaying 2 results from an estimated 2 matches for "dayssamp".

2008 Jul 12
2
Excel Trend Function
...rom above and below the missing days or use the TREND function to make up for the missing values. I have been reading about na.approx, is this function similar to the TREND function? Which is the best recommendable way to make up for missing data? Here's my dataset: weeks 17,18,26 and 46 have 0 daysSamp. Year Week daysSamp Lower TotalPD Upper varTotalPD 2006 47 6 126988 188259 249530 1045878675 2006 48 7 189155 253350 317545 1148102355 2006 49 7 103300 132741 162182 241480186 2006 50 6 11801 252576 493352 16151006813 2006 51 7 2348 3671 4994 487926 2006 52 5 2606 29901 57196 215454181 2006 2...
2008 Mar 22
2
counting values on one colum only
Hi all: Can someone help me count the number of rows with values in colum "a" only. assume the name of my dataframe is "weekly" I was trying i<- nrows(weekly$a) i but returns 7 when it should be 4. Thanks a b c d 27.000 27.000 1.569 0.013 160.000 27.000 1.632 0.013 146.000 27.000 1.830 0.015 70.000 27.000 2.475 0.019