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Rating Stats for

David_B

Rating
1498.09 (3,881,122nd) 		Reputation
836 (179,630th)
Page: 1
Title Δ
Group data into new column value based of condition +2.11
Sum column in a DataFrame in R -1.89
How to apply colMeans to only specific rows in R? +0.07
order function only partially reordering dataframe -4.02
writing functions for manipulating dataframes in R +3.87
fix duplicated levels in factors after use of read_dta, haven package 0.00
I cannot see the plot of my points in R 0.00
Random sample in R when data is in long format -2.04
Reshaping World Bank Data 0.00
mapply with list and vector +0.07
R:hypothesis testing for panel data 0.00
Subset data frame by ID but within 7 days +0.00
Heckman probit model in R? 0.00
Converting data form for 2mode network in r 0.00
returning summaries of linear models using lapply +1.65
R: How to create a barplot from a multi-column frequency data? -4.08
Collapse and count the number of unique value -2.07
Calculate the days between dates by hand -4.66
Replace the value in one table conditional on the value in another... +3.98
Aggregating mixed data by factor column 0.00
Getting all the corresponding rows with max date in r -2.73
Plotting Association Rules Error 0.00
R: Calculating the average of a subset of data +3.83
Changing axes labels for biplot() in R +0.58
multiple line and facet_grid in Bar plot +0.50
How can I merge two dataframes if two cols have to be the same? +2.14
Selecting the pairs of numbers in a vector which difference is equa... -0.25
How to replace specific data (letters or number) by another data (l... -0.04
R delete rows in data frame where nrow of index is smaller than cer... +4.03
remove() via lapply does not work +4.18
Append value in df rows +0.45
deleting rows after the last occurence of a value in each group -3.95
in line code for reporting p-values < .001 in r markdown +4.13
what is equivalent to do.call(rbind, list)? -3.37
understanding sapply function in r -0.16
Creating an unorthodox dummy variable +1.48
How can I control the output of a function in R (similar to lm) 0.00
R: Replacing a factor with an integer value in numerous cells acros... -3.70
loops in R - regression -2.02