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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
What is R equivalent for below SAS code for weighting the data 0.00
SAS - count of records which appear in both datasets (large data) -1.23
SAS Array character dates and rename variables after input function -1.46
Aggregating using proc means SAS -0.56
How to scan the string and convert dynamically in SAS -0.33
how to use select into creating a macro array with numeric value de... +0.08
SAS retain statement not working as I hoped -1.29
SAS : ERROR Attempt to change the value of a string in PRXCHANGE -1.77
R: extract string before and after keyword -0.04
how to extract specific variable to to fill another cell value? +2.67
Get Data from SAS Macro (list of values) to SAS table (column) +0.67
SAS - proc sql - select columns belonging together? -1.29
how to convert columns to numeric while keep those failed intact in... -1.12
Reading single record, splitting to multiple observations but retai... +1.45
creating variables to capture high and low scores using first. and... -0.02
Extracting the year from an 8 digit int (ddmmyyyy) in SAS -0.41
Creating named tables with macro (using data) +0.70
cumulative max by group in SAS or PROC SQL +1.32
Parse all column names from table and put into macro variable (SAS... -1.47
Rollup function in SAS 0.00
Extracting numbers from a column "attached" to characters -0.07
How to group observations that are combinations together in SAS -0.50
SAS: Rename variables in merge according to original dataset -1.06
Check specific sequence of alphanumeric string in sas +0.63
Regex with Positive lookhead still splits string in wrong place usi... -0.84
String cleanup and substring replacement -0.23
How to split a column into a column for each value -0.08
How to pass variable sequence (list) to SAS Macro -0.19
Counting categorical variables on row in SAS +0.45
Sampling rows from dataframe and saving unselected ones -0.13
Substituting data using multiple conditions +0.11
How to remove a row and the next row (rows) if it is in another tab... -0.40
remove pattern before digits and keep those digits -0.46
Including proc sort in proc sql 0.00
SAS SQL: How to do (group base on Case) without pulling data first? -1.41
Eliminating more than one succeeding instance of a string down cell... -1.61
How can I extract the unique values of a variable and their counts... +0.55
Populate SAS variable by repeating values -0.63
Can I use PROC SQL for Pattern Matching in Search Conditions? +2.66
Extract all values in a string that occur after another substring i... +0.36
How to count the number of characters at the start of a string? -0.36
Regular expression replace string in Python 3 -0.37
Pulling Duplicate Record with max value in PROC SQL -0.63
pandas: Calculate the difference from a grouped average -0.27
SAS MACRO Quoting issue : passing string with macro trigger as macr... +1.88
Conditional deleting of first digit in SAS variable +0.67
Match a specific number of digits not preceded or followed by digits -0.29
Flagging values based on subsequent occurences using first. retain... +2.03
Check if substring is in string -0.31
Match everything except a particular string +1.19