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Rating Stats for

josliber

Rating
1659.52 (437th)

Reputation
37,771 (2,967th)

Page: 1 2 3 4 5 ... 19

Title	Δ
Equivalent of this string replacement code in R?	-0.63
How to run the median function on counts in a table or data frame?	0.00
Getting index of column of minimum value in a data.frame row	+1.46
Error in running randomForest : object not found	-0.70
Aggregate data.frame for each day	+1.24
Subset a vector with different criteria for different parts of the...	0.00
Conflicting splits in CART decision tree	0.00
Replace numeric values for text values	+0.73
Knapsack algorithm restricted to N-element solution	0.00
knapsack() vector length issues	0.00
Conditionally replace a value in a data frame with a value from a s...	+0.70
How can one list pairs of perfectly collinear numeric vectors in a...	-0.68
Creating new variable using functions	0.00
How to aggregate matrices within a list based on vector of names?	+1.79
Coerce columns of a data frame to be logical based on column values	0.00
Group index from column labeling the last element in each group	0.00
Find start and end of ranges where data is upper case	+0.25
How to pull points that are within a certain distance away in R?	+1.39
Calculate absolute difference between values in two columns	0.00
Skip or delete lines between two patterns	0.00
Create new table with productions by hour	0.00
Append a data frame to a master data frame if some columns are common	-0.19
R $ operator is invalid for atomic vectors in constraOptim	0.00
Applying function to data.frame generates NAs while applying it to...	+0.28
How to prevent extrapolation using na.spline()	-2.43
Creating list of times from 7:30 to 22:30	0.00
Rcpp function to find the median, given a vector of values and thei...	0.00
How to apply findAssoc against each row of data.frame	0.00
Find second largest element by group	+1.54
Iterative Maximization Algorithm	+0.01
Reshape a correlation matrix, including each pair of variables only...	+1.57
COUNTIF in R That Is Only Applied Once on Duplicate Values	-0.20
For loop for function that works on segments of data	0.00
The sum of the first n odd integers	-1.25
Continuous Time count For data is out of band-	-1.85
Grouping columns based on pairwise equality	+0.75
Avoiding stack overflow when recursively adding numbers	+0.81
Efficiently save indices of nonzero matrix elements to a file	-0.68
Finding matching pairs of identifiers in a data frame	+0.30
How to compute di or tri bit counts	0.00
Column & row names for matrix values greater than the column me...	0.00
how to split columns by certain category?	-0.01
How can I get mean of every n rows and keep the date index?	-1.15
Counting co-occurence of strings in lists of lists	0.00
Pointwise multiplication and right matrix division	0.00
Fastest way to get vector of parents in a tree graph	0.00
Vectorization of growth	+1.68
Linear regression with specified slope	+0.30
extract column names from matrix	+0.31
How do I get the shortest route in a labyrinth?	+1.77