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A5C1D2H2I1M1N2O1R2T1

Rating
1589.99 (2,305th) 		Reputation
158,661 (344th)
Page: 1 ... 46 47 48 49 50 ... 61
Title Δ
Switch column to row in a data.frame 0.00
R how can I calculate difference between rows in a data frame +0.47
string,list pair in a row in data frame in R +0.38
Interrupting sequence of numbers in paste () -0.38
Combining matrix in data frame through aggregate 0.00
Why is this r code so slow? +2.15
Recode categorical factor with N categories into N binary columns -0.72
split characters into two variables in data frame +0.12
Combining several binary variables -0.09
Using `car` to recode across range of columns +1.07
Read multiples of same columns in a fixed width file 0.00
extract subset from data.frame 0.00
Matching data from unequal length data frames in r +0.06
How to put border around a legend in R? +1.07
R: Count unique values by category +0.39
Transforming a min() and a max() value into a range of values +1.23
Frequency distribution in R +0.42
How do I reorder data.table columns? +0.42
How to use the result of combn and a data frame to get a new martix? +0.38
How to check if a vector contains n consecutive numbers -0.72
Renaming a few columns in a data frame: Why doesn't ifelse with %in... +1.79
Join matrices from the list into a single matrix in R +1.72
Subsetting data in a loop and write results to a list -0.57
How to preprocess data to generate barplots in R -0.10
Vectorized function doesn't yield desired result -0.14
Better way to use plyr (or other) to create a variable using seq fr... 0.00
How to compute P-value and standard error from correlation analysis... +0.39
Efficiently getting older versions of R packages 0.00
combine two named vectors with missing values in matrix 0.00
How to let identical ignore attribute/names? +0.78
dividing a long column to many short ones by a condition 0.00
Create a numeric variable in a dataframe based upon mean of another... +1.87
Calculations on selected groups of variables +0.40
Specify different types of missing values (NAs) +1.98
Using R, is it possible to get a frequency table where no data exist? 0.00
How can I measure my usage of R? +0.40
Frequency of key in group +1.34
How many times occur pair of 1 in a vector +0.45
How to find unique occurances that match several conditions 0.00
Split a data.frame by columns and storing each column as an object... -0.63
Collapse data.table column values while grouping -0.64
Insert count number of elements in columns into table in R +2.14
Remove dots from the column names in R 0.00
Removing items from a dataset that have too few mentions -1.26
Reshape data from long to a short format by a variable, and rename... +2.17
Calculating percentage of each column in a data frame -2.20
How to reduce table dimension based on column name -0.20
Inserting a count field for each row by a grouping variable +0.21
R reorder one column in three columns +0.74
Combine data.frames summing up values of identical columns in R -0.23