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Daniel O

Rating
1478.16 (4,503,076th) 		Reputation
123 (629,024th)
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Title Δ
Convert columns to list 0.00
freq table for multiple variables in r 0.00
Use ifelse to assign Date in new factor 0.00
R Create column that provides grouping number for each distinct group 0.00
How to create a dataframe using values computed from another datafr... 0.00
Can I split describe() on a factor variable? 0.00
Finding Unique Variables 0.00
extracting the second observation from a character vector in a data... 0.00
Select strings from list where logical value is TRUE 0.00
`c('q01') %in% c('q01','q04')` should be TR... 0.00
R impute last carried forward by group and by condition 0.00
Count the amount of bigrams in sentences in a dataframe 0.00
Find newest line in table by date 0.00
how to replace NA with the value that later input with same ID and... 0.00
How to delete grepl-unmatched column values in R 0.00
Fastest way to repeatedly subset a data frame with varying condition? 0.00
Group observations chronologically and by group R / data.table 0.00
Convert list of data.frames to a single data.frame maintaining stru... 0.00
R - Dropped rows 0.00
Sum rows based on criteria in R 0.00
How to match the rows of a data.frame that have the same value in a... 0.00
Is there a function in R to count the number of a specific characte... 0.00
Nested list with mutiple levels to data.frame in R 0.00
How to group a numeric variable in r? 0.00
Creating a function to remove columns with different names from a l... 0.00
Normalize a pairwise similarity matrix so that it sums to 1 0.00
Extract last regex match in R 0.00
Getting the length of multiple lists of list into a dataframe in R 0.00
summarizing a dataframe and adding column with mean ± SD 0.00
Check for multiple NA columns and return another column in R 0.00
Grouping the column with specified logic in R 0.00
Replace cells in a column of dataframe with NA if the column name e... 0.00
How to extract day, month, year, hour and minutes from a large inte... 0.00
R: How to count the number of consecutive occurrences in a longitud... 0.00
How to extract frequency per datetime stamp +2.60
Computing average of columns of a list of dataframes in R? +0.53
merging tables in R using multiple fields in left table, one field... +2.30
How do I remove a percentage sign and find the average of some valu... -0.99
Modify DataFrame, remove double Data with for each, R -1.90
unable to extract day and month from date using R -1.01
create a column in r based on a condition involving another column +0.04
Is there a to View or browse the table for a row which a single or... -0.23
calculating medians per year per ID in R and plotting the outcome -0.47
extract value of Column B when value in column A has met with secon... 0.00
R string extract pattern +0.66
Swap values round in a column - R -0.67
How to select max value FOR THE FIRST TIME of a column -2.09
Find column values that are shared among other column values R -0.30
How to return the column corresponding to the minimum objective fun... 0.00
Replace values from rows with specific values from another datafram... -0.08