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Rating Stats for

Jilber Urbina

Rating
1570.53 (3,984th)
Reputation
44,632 (2,375th)
Page: 1 ... 6 7 8 9 10 ... 21
Title Δ
Calculating Weighted Values and Sums in R -0.11
loop problems in R 0.00
Split a string in R and assign to a list +1.05
Calculate mean of weather station data in r -0.26
Subset the 1st row of each obvservation in R -1.94
Using the replace function to change value in R -0.07
How to create a list for a function in R to auto-check-for & do... +0.36
I cannot print the 2nd field of matrix 0.00
Can the loop parameter be accessed in implicit loops during vectori... +0.35
add columns together that match a pattern 0.00
Reading True or False Values in a matrix 0.00
R - obtaining the levels in a factor -0.11
Get count by column values +0.55
R: parameter in update function +0.39
R) how to remove "rows" with empty values? 0.00
Unexpected result of matrix multiplication in R 0.00
how to join two tables and using lookup function together in r 0.00
Convert a matrix into a dataframe +0.98
apply function doesn't work 0.00
How to find matched rows by skipping certain column(s)? +0.05
Put a variable into an object in R -0.14
Adding a column on R dataframe with NA values +1.27
Create sub-vectors from matrix 0.00
Selecting multiple odd or even columns/rows for dataframe in R -1.54
Creating a conditional variable whose value=dataframe colnames -0.20
How to edit "row.names" after split and cut2 in R? -0.15
Modifying elements in a vector that do not match a pattern -0.19
reading a csv file in r where the header have comas 0.00
Sorting a column in R ignoring numeeric sign +0.68
R - "find and replace" integers in a column with characte... -0.12
How to substring every element in vector of strings? -1.93
how do you count unique factors and insert them into the same data... -0.62
Sum up equal variables in data frame in R keeping values in differe... +0.86
Unsure how to pass column variable to mean() in r -0.17
Apply a function to a list -1.29
Dynamic subsetting depending on values in R -1.87
How to roeder the rows of one matrix with respect to the other matr... +0.95
How to calculate the 'Coefficient of determination' for a linear mo... 0.00
sort second to fifth column for each row in r 0.00
Subtraction within Groups using R -0.07
How to create a matrix in R using the rows and coloum data? +1.14
Creating data frame by using extracted coefficients from a list 0.00
In R, is it possible to to find the indexes of blacklisted dates in... -0.26
Defining functions (in rollapply) using lines of a dataframe +2.16
Using optim() function in r for estimating median direction 0.00
multiply every member of a R list (matrices) by each other 0.00
R How do I determine count of unique levels by categories -0.40
Concatenate strings of different length into one 0.00
how to count NAs in mean calculation -0.31
Identify the range of x,y lists within dataframe +1.30