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Rating Stats for

Jaap

Rating
1662.99 (393rd)

Reputation
58,717 (1,592nd)

Page: 1 ... 12 13 14 15 16 ... 23

Title	Δ
Convert R dataframe from long to wide format	+0.39
R code: how to generate variable based on multiple conditions from...	+0.44
Manipulate a data frame where there are multiple colums for each ex...	0.00
Complex conditional removal/extraction of rows in R	+1.85
Combining starts_with with group_by in dplyr	-0.17
extracting number of items in date range for each row in huge data...	0.00
Data manipulation	-2.19
Change factor values of a column	+1.82
Processing a variable space delimited file in R limited to 2 columns	+1.53
Inclusion/Exclusion of rows in a DataFrame, based on specific crite...	0.00
How to select the first 3 rows containing a certain element within...	+0.41
Subset first n occurrences of certain value in dataframe in R	+1.09
Data.Table rolling join by group	+2.44
Plot multipoints and a best fit line	+0.41
data.table - select first n rows within group	+0.41
Change column in data frames in list	-2.09
How to get summary statistics for multiple variables by multiple gr...	-0.78
Plotting median alongside multiple lines in a line plot in R	-2.21
R: Split character string multiple times every two characters	+1.89
get a listing of unique count of occurrences for a set of variables...	0.00
ungrouping list columns in data.table	0.00
Filter rows with dplyr/magrittr in R based on entire row	0.00
Summarise dataframe to include all unique values in a grouping	+0.41
Create new variable with reference from another data.table	+0.41
dplyr n_distinct with condition	+0.92
Left join Table using Data.Table	+0.16
creating clustered stacked bar charts from two data frames in R	0.00
Conditioning a column change with the exchange in the order of othe...	+0.42
fast, efficient way to loop over millions of rows and match columns	0.00
R: creating cohort-style data frame from set of observations	-0.59
Merging data frames of different sizes in R	+0.94
Remove duplicated rows dependend on factor	-0.08
convert long to wide format with two factors in R	+0.92
Set minimum rating for bonds in R	0.00
Easy way to convert long to wide format with counts in R	+1.69
"Invalid .internal.selfref" warning NO CALLING list() INV...	0.00
How to match two dataframe columns and extract the column values al...	+0.77
Concise R data.table syntax for modal value (most frequent) by group	0.00
Conditional hue for columns that are below mean	+1.83
Conditionally Join Dataframes by Row in R	+1.16
Merge data.frames for grouped boxplot r	+0.42
data.table aggregation having trouble with NAs in R	0.00
Split R dataframe by n number of factors	-1.03
R data table - join two tables on equation	+2.05
Replacing NA values with the mean value aggregated over an interval	0.00
How can I turn a part of the filename into a variable when reading...	+0.43
String split using RegEx in R	+1.67
Use rollsum and combine two data frames	0.00
How to get the frequency of items in the specific columns of a data...	0.00
dplyr filter function in combination with agrep	+0.41