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Rating Stats for

Lennyy

Rating
1530.35 (18,231st)
Reputation
3,375 (50,024th)
Page: 1 2 3 ... 5
Title Δ
pivot a dataframe without aggregation -0.91
Fill in values based on signals in columns -1.64
How to find column name with maximum in row -0.53
Aggregate function to create frequency matrix in R +0.44
How do I extract rows from a data frame by identifying a character... 0.00
R programming, how do I sort data frame by string column in descend... -2.07
Counting multiple variables separately in data frame which variable... +2.24
self join to add previous month(s) values +1.98
Create new variable based on partial matching in column R -1.86
Problem in rbind(), Cannot output with same row numbers -0.55
Running an R-script while computer is on standby 0.00
Subsetting data with amount of elements who meet a condition +0.48
How to convert the factor value? +0.45
Error in ifelse unused argument(3) in a function in R programming -1.55
Create a dummy variable column that indicates if a record is in a s... +1.20
How to add a column that counts values of another column +1.53
How do I create the sequence 1 12 123 0.00
filter(x %in% vector), when vector comes from a filtered dataframe -0.07
Get the count of observations in a specific column in R 0.00
how compare 2 datafram and choose some rows of one of them which ha... +2.01
concatenate vectors from two lists by names -0.64
+/- columns names collapse and sum +2.03
How do I create a loop and/or a function to divide 200 columns (and... +1.69
Have constant space between legend entries in an horizontal legend 0.00
looking to insert date column in write.csv() +0.13
Getting the wrong association with ifelse function -1.35
How to group by customer_name and count mail_sent? +0.28
How I convert characters to binary values in R 0.00
count NA's appearing in between non-missing values 0.00
Split date rows by new year -1.06
Is there an R function to sort column variables? -0.48
How to replace all 0 in a dataframe to a character such as ".&... 0.00
lavaan: Correlation between each pair of variables 0.00
How do I reduce the dimensions of my data frame in terms of columns... +0.63
R create trading simulation +0.72
Print counts of levels in rows with the same value in a column 0.00
finding matching consecutive rows in r 0.00
Vectorize Moving Window with Past Iterations +0.21
what's wrong with runif (or maybe me) in R? -2.31
For loop variable as column name -0.52
How to make in R matrix of intersections and unions over categories? -0.69
revalue data with multiple conditions in r +2.48
How to apply a for-loop and t-test to a dataset? -0.04
How to extract triples from two data frames in R? 0.00
strptime function in R returns null values 0.00
"Revert" one hot encoding +0.01
Failure to geocode using the ggmap and Google Geocoding API in R; b... +0.46
How to add column that adds new row for each existing row -1.14
Extract dataframes from a large list based on matching values given... 0.00
Changing values of column based on whether another column satisfy a... -0.80