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Rating Stats for

Karsten W.

Rating
1434.80 (4,535,054th) 		Reputation
11,127 (13,442nd)
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Title Δ
Linear programming: Can objective variable have a constraint? -0.16
How to filtering "character" like Excel in R 0.00
Split character vector into sentences -0.42
Convert list to data frame 0.00
Obtain average for unique identifiers in R 0.00
How to check if column has valid values or not? +0.08
Require exactly one set of multiple arguments in R -1.26
S4 method subsetting generic replace environment 0.00
R: read.csv/read.table not recognizing all columns due to UTF-8 enc... 0.00
maximizing with two functions in R 0.00
Creating Base plot from a data set 0.00
Rearanging Data -1.86
Rename list of list and csv output 0.00
How to add key-value pair like dictionary? -0.39
Choose data frames by dynamic names +2.87
LPSolve with R - Multiple datasets as input 0.00
Matching, splitting, converting and summing string in Excel / Numbers -1.37
In R Run taskscheduler everyday at the same time 0.00
How to group by consecutive rows in R 0.00
Excel solver in R 0.00
How to integrate over a vector as input in R? 0.00
How to access function arguments (if function is passed as string)... 0.00
Adding count constraint in lpSolveAPI R +0.46
Solving quadratic optimization problems with complex constraints in R +0.47
Error: argument is not a character vector +0.09
Make data frame out of list +0.59
How to setup a constraint that depends on interim minimized function? 0.00
Querying Data from multiple tables in SQLite 0.00
linear programming with dual simplex in R 0.00
linear goal programming in R unable to find solutions 0.00
How to represent a bus ride in linear programming? 0.00
R lpSolve package does not find optimal solution 0.00
Function for summing up minutes across time windows 0.00
How to parse an html file with a nested structure? +1.23
change .txt to .csv in R +2.12
R: Splitting dataset by pre-determined values -1.21
Find/replace or map, using a lookup table in R 0.00
Is there any alternative for Excel solver in R? +0.58
Minimise objective function using R 0.00
R, Select first dataframe row for each unique pair, ignoring order -0.59
One single number to date and hour format in R 0.00
Recode values in one vector to maximize the number of pairs of the... +1.15
Picking data from all csv files placed at a location +0.56
Optimization with three variables 0.00
How to substitute variable at lpSolveAPI in R 0.00
check if all characters of one string exist in another string in r +0.60
Replace NA with previous value for certain column in R -0.76
Using R for loop to create a time series 0.00
R: perform calculation on grouped data +0.13
R - Escaped comma in command line argument 0.00