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Rating Stats for

Matthew Lundberg

Rating
1566.78 (4,478th) 		Reputation
36,309 (3,118th)
Page: 1 ... 10 11 12 13 14 ... 17
Title Δ
Swapping column values of certain rows -0.02
Count Daily Observations by Week +1.90
R - Dramatic increase in file size after reshaping wide to long data +0.53
How to set proxy in R ( ubuntu) 0.00
R Matrix Multiplication -0.90
Get the names of list variables when provided as function parameters +0.96
Why does scale return NaN for zero variance columns? +2.28
Subsample data frame by time, keep top of the second value -0.66
Order x axis (number of month) 0.00
R: Merge multiple irregular time series with zoo by averaging 0.00
Number sequence recognition -0.02
Using sub or gsub in R 0.00
Select consecutive date entries -0.57
Cut a POSIXct by specific time for daily means -0.55
Creating matrix with moving group identifier +1.99
Problems with if else with multiple test conditions in R 0.00
"Unexpected symbol" in R 0.00
Function `[<-` will _replace_ an element, but not append an _ele... 0.00
multiplying two data frames +1.88
Converting a n by m dataframe into a 1 by n*m dataframe in R -0.87
Flatten/denormalize the result of the R aggregate function +1.52
R converting a long list of questionnaire choices to a dataframe wi... +1.47
Matrix reorganization 0.00
Sum of rows based on column value +1.24
R dataframe - how to extract unique values -1.41
Extract part of string 0.00
Conditional sum of data frames in R -0.70
How to view duplicated records with one or more NA's? +0.38
R independent columns in matrix +1.94
Barplot with 3 categorical variable +1.99
R - interaction with only one factor level in regression -0.19
Isolating regions of data based on multiple columns +2.38
Add fitted quadratic curve -0.61
Moving average with varying time window in R +1.38
R: Calculate the mean value of a variable by unique values of anoth... 0.00
how to transpose different groups from column to row in R or excel +1.84
Create function names using paste() in R +0.20
PCA interpretation 0.00
returning a complete data.frame from a function in R -2.05
How to move columns of a data frame into rows after the first few c... +0.34
Difference between sqldf and rmysql? +1.97
How to assign to a list in R without creating a bunch of new elemen... +2.35
R Double For Loop -1.42
Replace row of NAs with previous row in R +1.14
Subset a data by date to create the summary in R -0.23
subselecting and creating in r +0.77
What is the R equivalent of PadLeft() and PadRight() in .NET? +0.85
POSIXct micro-seconds inconsistencies in R +0.43
Fastest way to split character vectors into new rows in a dataframe -0.89
lattice boxplot trellis -0.05