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r2evans

Rating
1605.19 (1,570th)
Reputation
28,921 (4,287th)
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Title Δ
Multiply only columns with same column names +0.00
Multiple input filenames as output filenames in R 0.00
Running Counts based on two dates 0.00
how to create a match flag for left join in data.table 0.00
Repeat sequence by group +1.55
Combine multiple rows with the same entry in R 0.00
Sampling pairs of elements from a vector but without duplication +1.81
I am trying to rename wav files for the correct date format 0.00
When converting decimal date to julian with %j strptime, how do you... +0.11
How to split a data frame based on one variable and create cross ta... +1.32
Best way to convert rows of features into a table with features as... +0.37
Keep the middle words in a phrase separated by dashes in R using gsub +0.18
How can I get my points to connect in a plot and show a trend with... -0.63
How to format datatable by rows in R 0.00
Converting a currency string to a numeric in R 0.00
Need to conditionally apply function to every element in a characte... 0.00
R and Shiny: object not found 0.00
data.table grouping column is length 1 in "J" 0.00
R Sort Header Using Their Value 0.00
Modify the date in a data frame in R -0.53
new vector in r by values of other vector -0.12
Select rows based on a combination of matched and not matched columns +0.80
JSON to R not reading column names -0.80
How can I add a plot that covers the whole data ignoring grouping? 0.00
How to generate all the combinations from a matrix and assign each... 0.00
For Loops: moving range 0.00
Trying to preserve names of matrices and rows when combining into o... +0.38
Relatively New to R, Stuck on Piechart +0.36
Implementing a sine or cosine wave (with probability) 0.00
Adding a normal distribution to a bar chart in R +0.38
How to pass data frame object from renderUI to eventReactive? 0.00
Insert new row on group_by data in R dplyr based on condition -0.64
Converting nested JSON to Data Frame in R 0.00
Subset an array using a vector of indices 0.00
In R how can I fill downwards for all rows which match one variable... 0.00
r - dealing with NAs when using lapply to select sublist elements b... 0.00
Sorted and ordered data frame of unique values -0.61
R merge data /expand data set 0.00
Keep one row of dataframe under a condition +1.49
How to select continuous rows in R data frame based on conditions? +1.55
R - Appending number to string leaves space before single digits 0.00
Looking for an R function that will allow me to summarize data in a... 0.00
How do I plot multiple lines (by levels of factor) for year series? +0.37
Is there a simpler way to calculate mean while dropping negative va... -1.36
Putting two R maps() side by side +0.37
Parse a file in R 0.00
DT tables not shown in shiny 0.00
reshape data and modify the new column names +0.37
Extract all rows corresponding to a certain logical value in R? +0.87
How to compose a list of functions +1.35