search for: neraa

Displaying 9 results from an estimated 9 matches for "neraa".

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2007 Aug 30
2
How to multiply all dataframe rows by another dataframe's columns
...0.0350 0.0700 0.0525 0.0525 0.0150 0.0300 0.0175 0.0175 0.0050 0.0100 0.0350 0.0100 0.0200 0.1225 0.1225 0.0350 0.0700 any help would be greatly appreciated Luke Neraas lukasneraas@gmail.com [[alternative HTML version deleted]]
2007 Oct 12
1
Addition operation based on specific columns and rows of two data frames
...; function but that # doesn't give me the addition operation. # here is what i would like the resulting operation to end up with in the X.df data frame X.df$Counts <- c(0,2,0,0,1,0,1,0.5,0,0,0,2,0,1,0,0) X.df # Any help or ideas would be greatly appreciated # Thanks in advance # Luke Neraas # lukasneraas.r@gmail.com # University of Alaska Fairbanks # School of Fisheries and Ocean Sciences # 11120 Glacier Highway # UAF Fisheries Division # Juneau, AK 99801 [[alternative HTML version deleted]]
2007 Sep 27
2
create data frame(s) from a list with different numbers of rows
...up to 1,200 of these small dataframes to create. # is there a way to loop through the list and create many small data frames?? # or perhaps make each of the list elements the same length and create one large data frame?? # any help or ideas would be greatly appreciated # thanks in advance Luke Neraas lukasneraas.r@gmail.com University of Alaska Fairbanks School of Fisheries and Ocean Sciences 11120 Glacier Highway UAF Fisheries Division Juneau, AK 99801 [[alternative HTML version deleted]]
2007 Sep 21
1
Help create a loopto conduct multiple pairwise operations
...calculate all possible pairwise multiplications for the # second columns of my X,Y, and Z data frames. # I will be conducting pair wise comparisons for up to 50 different data frames so I need the code to be # as flexible as possible Any help would be greatly appreciated. Thanks in advance Luke Neraas lukasneraas.r@gmail.com University of Alaska Fairbanks School of Fisheries and Ocean Sciences 11120 Glacier Highway UAF Fisheries Division Juneau, AK 99801 [[alternative HTML version deleted]]
2007 Oct 02
1
Trouble obtaining results from a loop
...e.sample[,7]==j & P.genotype.sample[,8]==j) } for(j in 1:8){ true.result[j,5] <-sum(P.genotype.sample[,9]==j & P.genotype.sample[,10]==j) } true.result # Any suggestions or help on how to make this loop work would be greatly appreciated. # Thanks in advance Luke Neraas lukasneraas.r@gmail.com University of Alaska Fairbanks School of Fisheries and Ocean Sciences 11120 Glacier Highway UAF Fisheries Division Juneau, AK 99801 [[alternative HTML version deleted]]
2007 Sep 26
1
Paste a matrix column in pairwise fashion with other columns?
...a.list[[i]] } Column.1.2.data.matrix # However i will have many more data columns to compare to in a larger data set # and I was wondering if there was a more clever way to do this and still # come up with the same result. # Any help would be greatly appreciated # Thanks in advance Luke Neraas lukasneraas.r@gmail.com University of Alaska Fairbanks School of Fisheries and Ocean Sciences 11120 Glacier Highway UAF Fisheries Division Juneau, AK 99801 [[alternative HTML version deleted]]
2007 Oct 19
1
(no subject)
...4 2 NA 2 2 NA NA NA # 15 4 3 2 NA NA 2 NA NA # 16 4 4 NA NA NA NA NA NA # Any help or ideas would be greatly appreciated # Thanks in advance # Luke Neraas # lukasneraas.r@gmail.com # University of Alaska Fairbanks # School of Fisheries and Ocean Sciences # 11120 Glacier Highway # UAF Fisheries Division # Juneau, AK 99801 [[alternative HTML version deleted]]
2007 Oct 19
1
conduct pairwise column comparisons without comparing a column to itself
...NA # 15 4 3 2 NA NA 2 NA NA # 16 4 4 NA NA NA NA NA NA # Any help or ideas would be greatly appreciated # Thanks in advance # Luke Neraas # lukasneraas.r@gmail.com # University of Alaska Fairbanks # School of Fisheries and Ocean Sciences # 11120 Glacier Highway # UAF Fisheries Division # Juneau, AK 99801 [[alternative HTML version deleted]]
2007 Sep 19
0
Create a loop to conduct multiple pairwise binary operations Retry
...calculate all possible pairwise multiplications for the # second columns of my X,Y, and Z data frames. # I will be conducting pair wise comparisons for up to 50 different data frames so I need the code to be # as flexible as possible Any help would be greatly appreciated. Thanks in advance Luke Neraas University of Alaska Fairbanks School of Fisheries and Ocean Sciences 11120 Glacier Highway UAF Fisheries Division Juneau, AK 99801 [[alternative HTML version deleted]]