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G. Grothendieck

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1622.82 (1,021st) 		Reputation
165,339 (319th)
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2 lines of headers in R from csv 0.00
How to use the * operator in lm() in R when the independent variabl... 0.00
Assigning value to an R object without using its name with get() +1.12
solving conditional symbolic equation in R 0.00
What is the difference (in terms of idea) of mode, storage.mode, ty... 0.00
How to split but ignore separators in quoted strings in R? +1.07
Regex of consecutive punctuation in R 0.00
Convert python-like list to R nested vectors -2.74
Difference in dates using sqldf in R -0.66
How I can divide values in a column by specific row in R? +0.75
R programming xmlTreeParse XML content does not seem to be XML +1.57
Extracting pattern from the nested list in R using regex +0.35
Scope of nls selfStart functions 0.00
Apply optim {stats} on merged datasets with different time granular... 0.00
Extract the breakpoints from cut +1.26
R sqldf renaming a field in a select statement 0.00
How to find decimal representation of years in R? -0.39
Drawing a function in R +1.83
How to plot fitted polynomial in R? -0.16
Subsetting non-NA +1.65
Sum IF Multiple Criteria with a Difference - R -0.58
how to search for column names in a dataframe +0.35
Date split in R +0.58
Running entire C++ pipeline as blackbox from R 0.00
How to find the first and last occurrence in a panel data set in R +0.14
Form a monthly series from a quarterly series 0.00
Replace corresponding parts of one array with another array in R +1.66
R: Creating a moving difference variable -0.38
get the name of variable in function regardless of if it was passed... +1.67
Efficient method to group and then apply function across subsets of... -0.64
error with year/quarter to date conversion in zoo library 0.00
How to find the number of unique followers of two users in a large... 0.00
How do I use lm() from inside a function? -0.95
How to extract arguments used in a fitted nls model for use in a se... +0.35
How to display a "by" object in long format +0.48
Finding Percentage Based on Two Columns +0.44
R Flatten list to list by columns -1.41
R xml tree to dataframe 0.00
How can I extract paragraphs from html file (portion between <p&... -2.32
Name Problems when running linear model and waldtest in function en... 0.00
R Wildcard in the middle of an expression 0.00
Error parsing wikipedia dump with R +0.33
R strsplit: Split based on character except when a specific charact... -2.36
specify external system utility dependency in R package -2.11
Reshape2: multiple observations for variable +0.90
Add line plot to existing plot with zoo objects using ggplot2.zoo i... +1.18
Optimize calculation of number of weekdays 0.00
How can I ignore delimiters that are escaped when importing a text... 0.00
dplyr: grouping and summarizing/mutating data with rolling time win... +1.10
How to do Group By Rollup in R? (Like SQL) +0.34