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Ronak Shah

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1624.06 (999th) 		Reputation
80,694 (1,021st)
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Title Δ
How extract columns from json column in dataframe -3.18
how to mutate for grouped table +1.56
Why does the ``mean`` function not work properly with ``group_by %&... +0.36
Compute proportion of outcome from repeated measures design +1.58
How to match by row name containing certain character and divide co... 0.00
How to filter a grouped dataframe with a conditional statement usin... +1.22
Vectorize a Left Join Loop -1.79
Take n biggest and lowest values with tidyverse -1.76
How do you replace missing values with 0 for cases meeting specific... 0.00
Dataframe take two column and take action depending on value +0.46
How to create a new column in dataframe A, based on multiple condit... -1.54
How to calculate (in R) the range in the difference of ranges to ch... 0.00
How do I convert values like this to date type in R? +1.65
Add a new column in R with presence/absence info +1.00
R: How to mutate new ID by modifying previous ID? +0.96
get sequence of group in R 0.00
How does a break function in the inner loop in R? -0.44
how can I add the sheet name to my data frame as a variable 0.00
Building function to read selected datasets from repository 0.00
How to replace specific characters with a space bar in R? 0.00
How to extract values from a column into the dataframe by matching... -0.66
Search text field and replace with value from column +0.35
If Value Exists in Any Column for a Row Automatically Flag Whole Ro... +1.68
How to read multiple excel data files in a loop and process data fr... 0.00
R how to generate size classes from size data 0.00
Nested loop in R to sequence over all combinations of parameters -0.33
dplyr filter whole dataframe on subset -2.37
How to replace NAs with previous column values plus one by group ba... +1.71
How to get Percentage in two categorical variables in R 0.00
How to use column indices to collect values from columns in R -0.26
Assign a variable to a specific cell in a data frame, when the row... -2.82
How to filter dataframes based on criteria in a tibble? +1.74
How to select the top values based on them covering a certain perce... -1.53
Splitting a column in R with ifelse condition 0.00
Using which() to filter out columns from a dataset +1.58
Making a calculation with only a subset of a data frame -0.74
When column A is NA, I want to multiply the value in column B by th... 0.00
How to fuzzy join 2 dataframes on 2 variables with differing "... 0.00
Reorder column conditional on another column in R +0.34
Rowwise summation +1.05
recode multiple columns `mutate_at` with unused arguments error 0.00
rbind the list returned from a function without loop in R -0.83
bind tables of different length +1.75
Create multiple dataframes from another dataframe in R 0.00
How can I best sanitize this table? 0.00
Use content of the column to create a new column in R +1.75
Extracting time from middle of string in R when string changes c +1.77
Breaking loops with a conditional that looks at past results genera... 0.00
getting factors from a column dataset +1.79
apply subset function to columns using other dataset with min/max v... 0.00