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Shenglin Chen

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1418.52 (4,535,890th) 		Reputation
3,802 (44,150th)
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Title Δ
SAS compare character records according to 2 different variable gro... -1.40
SAS: Apparent Symbolic reference not resolved with call symptux +2.63
SQL and SAS programming +1.02
How to remove repeating values based on two different columns? -1.68
SAS: Dynamically copy a certain number of rows 0.00
Getting next observation per group +0.60
SAS/SQL: Combine two columns while retaining others +0.34
SAS: PROC SQL Multiple assignments as a consequence of a single CASE -0.55
Proc SQL: inobs and outobs not random +2.35
How to filter values that appear after another value by group in R? +0.42
Keeping or deleting a group of observations based on a characterist... -0.79
Count by variables with criteria in SAS -1.29
SAS: Merge or join and retain all records while filling missing -1.16
Overlap ranges in single dataframe -0.38
Extract numeric elements from a vector +1.17
grouped data frame to list -1.05
n characters between words in regex -0.40
How to suppress infinite loop note when using "IF 0 THEN SET&q... -0.35
How to Put Quantile To Macro Variable in SAS using One Data Step On... +2.39
How to find out all the capital words in a corpus in R -0.48
Co-occurrences from a large dataframe -0.13
Converting a simple AM/PM time in R +0.10
R dplyr: how to remove smaller groups? +1.64
Get the data with max date and max and one more column in SAS -0.32
SAS: Collapsing and weighted averages calculations +0.61
Replace with nothing in R using gsub -0.55
How would I iterate through a list in SAS and translate / replace e... -1.28
How to modify string in R taking into account the number of symbols... -0.87
R, regular expression for everything before nth occurrence -0.31
gsub - adding whitespace before/after & character -1.00
Use grep to find out info 0.00
Regex in R -- extracting sub-string based on two start/stop words -1.24
SAS equivalent to R’s is.element() -1.15
sum over rows split between two columns +1.66
How can I find and replace specific text in a SAS data set? -0.37
Comparing values in multiple columns and populating additional colu... -0.88
R - Inserting variable number of spaces into postcode string -0.45
How to subtract one dataframe from another +0.09
replacing text with a conditional pattern -0.91
SAS where condition exact matching -0.44
Extracting a word from a string if contained in a list (in R) -1.23
Count number of times a word appears -0.37
Parsing street addresses by gsub in R +0.10
Extract 6- and 8-digit numbers from text string in SAS +1.98
Extract substring from a string in SAS +0.59
Sas grouping Strings +0.11
remove element from vector on their size -0.20
Add leading zeros within string -0.96
R Exatract Hours from Time in factor Format -0.63
Trying to sort two columns of an array in R +0.09