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mtoto

Rating
1601.08 (1,732nd)
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16,420 (8,485th)
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Title Δ
How to track which rows in a dataframe have NA values in R -3.44
Row-wise sum of values grouped by columns with same name 0.00
Contour levels corresponding to variable levels in ggplot2 0.00
How to filter data frame? +3.28
Increase performance by moving away from a for loop +1.31
Get cell value if SUM exceeds a limit using R 0.00
‘sum’ not meaningful for factors error using dplyr specifically 0.00
Populating a dataframe using an if statement +3.55
R - filter rows by checking all columns for a partial text +0.34
Re-arrange in all posible orders all individual sublists withou t r... -0.39
How do I tabulate / count multiple columns of TRUE or FALSE data in... +2.91
Create a new column conditional to a list in R +3.98
How to read multiple csv files with Reduce in R +0.97
How to rename a column to today`s date? +4.26
Extract specific pattern (4 digits, '-', 1digit) from strin... +1.92
Looping through Columns of Dataframe and dividing values by a value... +1.25
R quantile by groups with assignments +4.38
How to change legend position of ggvis when using tooltip as well? +3.81
Better way to calculate new variable from complex calculation of mu... -4.62
Merging two matrices of different size in R 0.00
R-Counting rows in data.table, grouping by multiple columns, includ... -0.90
Multiply columns with rows by matching column name and row name in R +0.13
List of Dataframes filter row based on Date -3.96
R - Changing column names using regular expressions 0.00
Join two data.tables on date, with closest date in table 1 strictly... -4.07
Hide columns where all values are 0 with DT::datatable -1.97
Swap two entry in a column based on the length in a data frame -0.34
simple way to select only rows of df1 where combination of columns... 0.00
Multiple cumulative sums -1.49
Sum of columns with partial string match R 0.00
ggvis - adjust legend color to fill color 0.00
Merge unique value in one row +4.73
How to select rows from a data frame with replacement +4.32
Create Time series from Matrix 0.00
R change date to a specific order 0.00
Reading horizontal (row-based) data from xlsx files into R data fra... +3.83
making a column with substring values from another column in r data... +3.87
Extracting indices of a data frame based on samples (with replaceme... 0.00
How to control colors assigned to data groups? 0.00
r data manipulation creating multiple records +2.23
Using Rs data.table on (weighted) survey data 0.00
Separating a column in R +0.71
Binary coding of pairwise comparisons -1.15
Can't change type of plot in plot() for data.frame (that is not... 0.00
ggplot and ggvis for numeric vector in R 0.00
Need to combine two data frames without removing any duplicate values 0.00
Mutate dplyr to select first value of a variable 0.00
Sort a dataframe column by the frequency of occurrence +3.39
Finding values from dataframe by filtering using keys, 0 or NA if k... 0.00
How to convert character dates to R format 0.00