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phiver

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1559.01 (5,784th) 		Reputation
13,699 (10,487th)
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Title Δ
How to do bi-grams topic modeling using tidy text in r? 0.00
Count difference in row data between two data frames in R -0.05
Text Cleaning and Combining -0.54
Calculate Proportion of a Group 0.00
calculation sum separately by groups in R +2.23
transformation drops documents error in R 0.00
How do I convert multiple pdf's into a corpus for text analysis... 0.00
How to count frequency of specific words ifrom my csv file in R? 0.00
Extracting iterative string and assigning them into columns -0.54
africa dataset from Amelia package 0.00
R caret package: data partition into training / test sets before tr... 0.00
Isolation forest package installation in R 0.00
Extract part of string from URL in R -0.33
Duplicating rows in R merge function +1.05
Cosine Similarity with two Term Frequency vectors in R 0.00
Read in Certain Sheets From Excel Workbook +0.33
caretEnsemble error: Error in FUN(X[[i]], ...) : { .... is not TRUE 0.00
How to generate new id by comparing two data frames 0.00
how to train a lasso with both text and numeric variables? 0.00
Keep only sentences in corpus that contain specific key words (in R) -2.40
Join two character dataframe with bind_rows function in R +0.46
performing One sample Student’s t-test by id in R +1.93
how to pass a tibble to caret::confusionmatrix()? 0.00
Find missing days in R Date sequence 0.00
https://r-forge.r-project.org/ and packages from it are not working 0.00
R - Convert a Character Vector into a Data Frame -0.99
save the results of a pdf to text conversion displayed in the Conso... 0.00
Error in train unused arguments R language 0.00
How can I locate the first instance of NA in a row within a data fr... +0.83
R: is it possible to calculate word burstiness with quanteda or any... 0.00
Inserting Rows in Data Frame based on conditions -0.04
How to replace negative values in a dataframe column with a differe... -0.32
Complex data frame and transpose the data -2.16
Matching text from columns in Data Frame +0.47
Remove columns in a dataframe by partial columns characters recogni... +0.98
How to convert specific rows into columns in r? 0.00
How to combine a DTM to its original Data Frame with less deleted t... 0.00
quanteda convert to topicmodels retaining docvars +0.21
dplyr::select - using column more than once? +1.06
Months to integer R +0.28
Create data frame and specify row/column names in a single operation +0.21
R Studio Randomize Date and Time +1.83
match multiple column with row value from another frame based on date -1.79
Select column that has the fewest NA values -0.04
Within nested data frame, filter rows that contain specific strings +1.68
R: Pulling data from one column to create new columns +1.24
rpart caret "Argument params not matched" error 0.00
How to make pattern matching for multiple dataframes with reference... 0.00
Compare row on same column 0.00
A loop to create multiple data frames from a population data frame 0.00