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Rating Stats for

Matthew Lundberg

Rating
1566.78 (4,478th)
Reputation
36,309 (3,118th)
Page: 1 ... 11 12 13 14 15 16 17
Title Δ
Combine date and hourly values in columns into timeseries (and reve... +1.99
R Data Table: Interate over/compare rows +0.50
Conditionally remove rows from dataframe (more than one conditions) +1.21
Vectorizing Operations on Vectors of Different Length +0.29
*apply in r to repeat a function 0.00
How can I build an inverted index from a data frame in R? +1.69
how to plot the linear regression in R? +0.04
R: Using the assigned value of variables in ggplot calls instead of... 0.00
Idiomatic way to copy cell values "down" in an R vector -0.90
Sorting within a data frame keeping one column fixed -2.08
How to pass column variables to apply function? -0.92
selecting rows according to all covariates combinations of a differ... 0.00
if,else statement within a for loop in R error 0.00
How do I create order statistics by group in R? +0.21
Reading a file in R space separated, skip first lines +2.06
Cannot create an empty vector and append new elements in R +0.49
Adding columns of matrix by row starting from 3rd row 0.00
Seconds since midnight to time of day -1.04
Consecutive independent means (not using sliding window) in R -1.17
concatenate adjacent strings from a vector 0.00
Wrong correlation result for big numbers 0.00
R-Project if else syntax +1.85
not able to read the columns in summary function +0.25
Assign Value to Diagonal Entries of Matrix +2.09
show 0 in a log scale y axis of plot in R -0.26
Draw a quadratic spline through points in lattice -0.90
unimplemented type 'list' in 'orderVector1' 0.00
extracting complex subset from dataframe in R +0.23
Aspects of type-safety of language is R -0.72
open file with shell() in R 0.00
Reading large files into R 0.00
Recycling and assignment functions (`split<-`) +1.86
Fitting logarithmic regression on time series data containing zero... 0.00
Suppress separator in paste when values are missing -1.41
Assigning values within lapply -1.09
scatterplot regression line lty command is not being recognized +2.10
Multiple column labels or names -0.92
Different colour for different types of lines using xyplot +0.51
How do I store the number of observations in a data frame into a va... 0.00
How to find mode across variables/vectors within a data row in R -0.90
regular expression help in R +1.19
Aggregate the time-series data by average function with time prefra... 0.00
Superposed xyplot Panels with Grouped Regression Lines -0.21
filled.contour - delineate the change in the z value levels -0.50
difference between ddply and aggregate +2.03
Align Disaggregated Data in R -1.77
IP reading and some missing values 0.00
speeding up "for-loop" for deleting rows matching criteria -1.27
Reduce string length by removing contiguous duplicates -0.54
Sorting names() based on dates +1.81