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Andrew

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1491.99 (4,376,349th) 		Reputation
428 (309,635th)
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R: Subset from two data frames based on multiple conditions -2.21
How can I find count of rows by each factor level of each column in... +0.35
Automatic refactoring based on levels beginning with a certain char... -3.43
Is there a R function to order by character or factor of intervals? -2.98
Tidyverse: Replacing entire strings based on partial matches +4.87
Match the whole cell of list1 to beginning of all cells of list2 -0.14
How to create a loop to run linear regression with multiple indepen... 0.00
How to split a string (in a column) using 2 different conditions in... -0.16
How to remove entries in matrix which are more than a threshold +2.09
dplyr: Need help returning column index of first non-NA value in ev... +0.33
Output difference in expected result +4.10
R - How to both unlist and concatenate +0.10
Create new vector with all elements between elements of two equal l... 0.00
Creating a discontinue rule in R 0.00
create distance matrix for strings 0.00
R How to Search for String Pattern and Extract Custom character len... -3.55
Subset list of vectors by position in a vectorized way +4.17
Faster index finding of flanking non-NA values +4.78
Count number of occurrence, with order of string counted only 1x -3.96
Find row maximum across columns by using vector of column names in... +4.07
dplyr: select by name and value at the same time +5.01
How to get sum by each factor level? -1.37
How to rearrange rows? +0.24
Selecting rows matching a time pattern in R -4.54
Split string column into 2 columns, one numeric, and the other a date +2.31
Efficiently break up a string based on the nth occurrence of a subs... -4.15
Find all subsequences with specific length in sequence of numbers i... -0.88
R fails to encode romainan characters with UTF-8 correctly 0.00
Aggregate date time to summarize time spent at certain 'repeati... 0.00
How to functionally spread and coalesce data 0.00
Is there a regex to find a string between two forward slashes and a... -2.10
how to create a contingency table for each row of a data frame -4.29
how can I distinguish several columns apart based on strings -4.18
Transposing PCR 96 well plate to single column format +0.05
Find indexes of element in list that satisfies a condition in R +5.36
How to match and replace strings in a data frame in R? +4.20
Undesired output when left_join() ing time stamped dataframes in R 0.00
group_rows in a for-loop to create a table 0.00
What is a better way to create a new variable compared to `ifelse`... 0.00
how to remove data row wise with only a certain number of values +4.05
Remove specific words with specific punctuation in R +0.24
If - Then with multiple characters and conditions -1.85
R stargazer stack several regression models in rows under each other 0.00
Why is my kable table producing this "no applicable method&quo... 0.00
Efficient way to compare values and generate new column in R -0.97
replacing all characters between two patterns in r +0.18
Conditional formatting with `kable` but with "%" signs +0.16
If() statement in R +0.11
How to divide a vector into multiple groups using regex? -4.15
how to extract the sub-string which is enclosed in between '$&#... +4.17