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Rating Stats for

Jaap

Rating
1662.99 (393rd)
Reputation
58,717 (1,592nd)
Page: 1 ... 11 12 13 14 15 ... 23
Title Δ
Get nth element of a vector inside a data.frame column for the whol... +1.09
Merge Panel data frame in R -1.65
Count factor levels over time +0.38
Compare two dataframes and create a report giving the fieldname and... 0.00
R data.table: How to optimize calculation of the value differences... -0.45
In a set of repeated measures data, how to subset to select matched... 0.00
Global constrained optimization specification in R -0.35
Looping through Columns of Dataframe and dividing values by a value... -1.34
R: time-weighted mean, bins and time records overlap -0.49
How to calculate a frequency (count) variable in R? -0.63
simple for-loop or lapply solution needed +1.16
How to calculate mean by group when there are missing combination -0.05
Export descriptive statistics row of values into an Excel Sheet fro... -0.61
Cumulative Mean with Grouping and Lag -0.81
Find and sum up range of values > 0 which aren't interrupted... +1.20
R-Counting rows in data.table, grouping by multiple columns, includ... +0.41
Read.table() invalid multibyte string error: Find the strings causi... 0.00
Summing in R with multiple conditions +0.39
stacked bar *bringing labels to the graph * 0.00
Merge the results of table in R -1.53
How to plot comparison of old data with new +1.83
plot two different data frames, grouped by one or more variables, w... +1.95
Comparing Groups in data.table Columns +1.96
R ggplot2 discrete colour palette for gradient map -0.29
Reorder data in ggplot (after successfully reorder underlying data) 0.00
Running a conditional through several dataframes stored in a list R +1.85
Merge unique value in one row -0.20
Check if values are within an absolute intervall -2.15
Combined frequency histogram using two attributes 0.00
Joining multiple tables with mix data +1.91
Replace a value in a dataframe with a value in another column, base... -0.35
Import fixed width data file with no line separator in R +0.74
Create multiple columns from a single column and clean up results +1.92
Modify dates in POSIXct format in R using lubridate +0.50
R merging rows with the same ID variable 0.00
geom_line : How to connect only a few points -0.60
Separating a column in R -0.09
reshape2 melt not producing all pairs 0.00
R: How to get common counts (frequency) of levels of two factor var... +1.82
Removing duplicates based on common and different in values -2.00
R create columns from factors and count +1.94
How to swap column values to be column name in R -2.10
How can I remove spacing in Pie charts in multi panel and have only... +0.38
Add one year to a posix time in R 0.00
If a text string contains something then return something in R -1.13
R, create new column that consists of 1st column or if condition is... -1.39
How to do a data.table rolling join? 0.00
Summing the counts in a data frame using sliding window +1.16
Handle multiple values in column 0.00
create a matrix from data frame +0.40