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Roland

Rating
1662.46 (396th) 		Reputation
105,284 (681st)
Page: 1 ... 51 52 53 54
Title Δ
For each level of factor aggregate values over all levels except th... +4.31
vectorization of differentiation in R +3.87
R creating a matrix using a formula of the rows and columns 0.00
select points within circles within square perimeter -0.00
Plotting Log scale in R -3.90
Is there an equivalent R function to Stata 'order' command? -2.72
Combining two vectors element-by-element +0.24
nonlinear equation R -0.87
How to lag date-index in a time-series in R? -4.11
merge a data.table with itself after a reference lookup -1.56
Fit a no-intercept model in caret 0.00
data.matrix() when character involved 0.00
determine circle center based on two points (radius known) with sol... -1.87
Fastest way for calculating rank of 2*2 matrix? 0.00
R curve() on expression involving vector +1.03
Interpreting residual value statement in lm() summary 0.00
Error: gdal-config not found -2.98
(R, quantreg): Hypothesis testing a large range of quantiles 0.00
Columns with same colors using barplot() in R 0.00
No applicable method for 'time<-' applied to an object of class... 0.00
(R) Plotting quantile regression coefficient distribution with quan... -3.87
Plotting symbols fails in PDF -3.96
How to predict x values from lm +2.00
level based on bigger factor +4.06
How to pass vector to integrate function +3.07
Position of points on boxplot -4.11
Match fitted values from `lm()` with a data frame in case of `NA` v... -0.28
Using R's nls, how to define the coefficients' individual formulae... -2.26
Converting date to a day of week in R +4.09
How to rescale label on x axis in log2(n+1) format? 0.00
How to get the top n elements (in terms of frequency) from a vector... +4.26
Indexing in R for affymetrix data 0.00
calculating number of days between 2 columns of dates in data frame +3.62
Accessing multiple pages of plots 0.00
How can I find a distribution for a set of data, and then further p... +4.22
Merging data.tables uses more than 10 GB RAM +4.02
How to extract unique levels from 2 columns in a data frame in r +2.26
Vectorized R filtering and getting multiple lag values in a dataframe 0.00
How to make each unique observation a factor w/ a binary response i... +5.00
Get previous values of a variable 0.00
Extract weekday from POSIX.lt date-time variable 0.00
add new row to dataframe -4.22
extracting from dataframe and merge based on condition 0.00
convert hourly rainfall data into daily in specific time interval -1.15
How do I clear an NA flag for a posix value? +4.28
Basic data summary - determine maximum value by date +2.70
Kolmogorov-Smirnov test with chi-squared data 0.00
Turning second data into numbers 0.00
Negative singular value using LAPACK svd 0.00
Creating seasonally adjusted data using ARIMA in R 0.00