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1449.83 (4,532,696th) 		Reputation
7,144 (22,426th)
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Title Δ
Grouping observations by ID while also creating characteristic vari... 0.00
Pandas: find substring in string in some columns 0.00
Load 'summarize' Table in as Data Set in Stata 0.00
Appending datetime rows and forward filling data in pandas dataframe -2.94
drop duplicates in a python dataframe for multiple columns not cont... 0.00
How to change pandas category type using a dtype dict? -3.68
Concatenating multiple .xls files with unknown number of columns 0.00
How to group numeric values by hours? 0.00
Calculate the average of a variable by percentile 0.00
R: looping through column names -1.34
Error tokenizing data. C error: out of memory pandas python, large... 0.00
Tags column to dummy columns with TidyR -2.87
Speeding up closest date merge in Pandas? 0.00
Identifying Patterns by Group in a Data Frame -3.42
Record Consecutive Days by Group in R +0.58
How to delete rows in a pandas dataframe? +4.37
Output a Two-Way Table in Stata as CSV (tabulate or table) 0.00
Query a data frame by multiple columns? 0.00
Pandas: Key error in merge after creating index +4.17
Create a table with weight in Stata +0.79
Pandas outer merge two versions of the same DataFrame -0.91
Pandas describe vs scipy.stats percentileofscore with NaN? -2.09
lambda expression is not changing the values of pandas' dataframe +2.44
Python (Pandas) - Drop rows with NAs and convert values to boolean +0.26
Selecting from multi-index (with duplicate values) 0.00
Pandas, how to reorder by date -1.99
How to do cumulative sum on lagged values in python? 0.00
distinct drops columns after group_by 0.00
How to Import Data in .bson File 0.00
what is the fast way to drop columns in pandas dataframe from a lis... 0.00
dplyr, lubridate : how to aggregate a dataframe by week? -3.62
panel data: give value of the last year to all the observations of... 0.00
Check if string in one column contained by another? 0.00
optimise complex grouped mutate dependent on row (lookup?) +0.46
"non-standard" functions within dplyr summarise function +4.56
How to determine column values changing in a particular direction? +5.16
How to load human readable JSON file into Pig? 0.00
Python Pandas rolling functions +5.03
Pig Job hangs when using Elephant Bird jsonLoader -3.60
Append an empty row in dataframe using pandas -3.66
How to sum values grouped by a categorical column in pandas? 0.00
Pandas Compare two columns matching text and printing full row of m... 0.00
Merging state-level data to county-level data 0.00
Pandas - Selecting multiple dataframe criteria +0.37
Stata - regress and estimates store using forvalues 0.00
Cannot convert pandas column from string to int -0.85
Apache Pig: Encountered "<EOF>" Error 0.00
pandas error when convert object to datetime 0.00
(Stata) Find values from earlier years with multiple observations w... -3.31
New issue with estpost tabulate 0.00