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Rating Stats for

Benjamin Christoffersen

Rating
1468.55 (4,521,477th) 		Reputation
1,973 (84,924th)
Page: 1 2 3
Title Δ
Define multiple values as missing in a data frame -4.00
Assessing a multiple conditions +4.15
Makefile with packrat package 0.00
saturated regression with interaction variables 0.00
ARIMA vs. ARMA of time series in first differences 0.00
How to build a confusion matrix for a dataframe -3.49
Conducting MLE for multivariate case (bivariate normal) in R 0.00
how to use the function ANOVA to multiple models saved in a list? 0.00
Estimating survival with a generalized gamma function in flexsurv f... 0.00
Rcpp isn't finding Boost headers 0.00
Find greater or smaller value by grouped variable using data.table -3.99
If else in loop issue +4.05
Adding previous value to the new row iteratively in data table in R 0.00
vectoriced norm/matrix multiplication -2.06
How to find max of a column within a particular daterange using dat... 0.00
R: Apply a function over only character columns without type coercion +0.13
Restrict argument to range of numbers -4.46
Aggregate overlapping intervals using data table 0.00
Rcpp subsetting contiguous StringVector 0.00
Get the result only FALSE when the answer is TRUE and FALSE -3.31
Wrong standard deviations for predictions in predict.lm in R? 0.00
Speed up matrix multiplication when result is known to be symmetric +4.43
Vectorized rolling spread/split/subset -3.04
Lapply to all columns in a data.frame except one and replace the da... 0.00
How to remove line between discontinuities in R 0.00
Updating column value with its predecessor 0.00
Change character vector of length 1 with commas into rows and columns -1.34
How to do matrix dot products with a subset of a dataframe's co... +3.96
How to create a nxn Unity matrix in Armadillo? +4.13
R Solving large sparse non-square matrices 0.00
R: populating a column of a data frame based on results of simulation -4.06
Extending Rcpp function to input vector of any type +0.94
Creating scoped expressions in R to clean intermediate variables -3.92
Add column with custom value to dataframe -3.95
Rolling Mean/standard deviation with conditions in R 0.00
forecast time to event survival analysis 0.00
Plotting a survival curve from a survreg prediction 0.00