All Questions
Tagged with string-manipulation data
20 questions
3
votes
3
answers
90
views
Selecting particular data with a particular string at-first
I have a dataset and I want to select the only data that starting with C_i (where "i" is a numeric with variability).
Here is my dataset:
...
- 552
3
votes
2
answers
184
views
How to import the given file properly?
Consider the following file. It has the structure of a table, with rows like
LHC HNL dipole 0.5 0.00001 e {"HNL dipole", 0.5, 0.00001, 0.}
Here, the ...
- 5,963
1
vote
1
answer
192
views
-1
votes
1
answer
165
views
How to extract the number from the following string?
Consider an archive a.gz with the file a.hepmc containing the following strings:
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- 5,963
1
vote
0
answers
32
views
How to draw a line marking where each chapter occurs in a text? [duplicate]
I am performing a text analysis on C.S. Lewis's book The Lion, the Witch, and the Wardrobe.
I have created the following analysis of textual occurences of Aslan or Lion, Peter, Lucy, Edmund, Susan, ...
- 1,765
10
votes
2
answers
345
views
Removing banal words from a list
NB: I am aware of the DeleteStopwords symbol.
I want to remove from a list of words the ones that are likely to be more banal. So for instance if we have
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- 1,854
3
votes
2
answers
281
views
2
votes
0
answers
124
views
Clustering or Grouping by list of similar strings
I have gathered some sports data from over 40 different sources. I now need to get all the games to "match up", "grouped", "clustered", or "aligned" so all the information for one game is in one list....
- 1,299
6
votes
2
answers
1k
views
Convert a huge txt-file into a dataset
My friend has this huge txt-log of sea levels. He wants to organize it into a dataset.
After importing it this file a used StringSplit to separate it into rows, then to singular elements
...
- 141
-1
votes
3
answers
134
views
Ignoring text when converting strings of text to numbers
I have a string of measurements--mostly numbers, but occasionally an NA. Right now Mathematica is reading it all as text, so I'm using
...
- 27
0
votes
0
answers
134
views
How should I import list of results with scientific numbers so they can be used for further calculation?
I have a file, listOfResults.txt, consisting of many rows of which the following is an example:
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- 3
5
votes
2
answers
235
views
Data Cleaning Problem - Getting rid of redundancies
I am cleaning a database and I need to clean also the location field. The data is taken from a forum, so the entrance are self compiled. For this reason I have a lot of weird and different stuff going ...
- 169
3
votes
2
answers
256
views
Most common prefixes in an English corpus (Hamlet)
There are many resources online showing how to get the most frequent letters in the english language. What I'm trying to do is get the most common word prefixes in the english language - i.e, take a ...
- 3,674
1
vote
1
answer
51
views
Some challenge for a Table mixing between output number Variables and ToString symbols [duplicate]
How can I output a series of data, ranging from s00, s01, s02, s10, s11, s12, s20, s21, s22; by writing a table with s is a fixed, and m and n are running parameters, for example:
...
- 923
-1
votes
2
answers
200
views
Matching timestamped data
I bet this question is a gimme for most of you guys, but I'm having a bit o' trouble figuring it out. Thanks ahead of time for your input and help.
Soooo, I have two datasets where column 1 is a ...
- 143
1
vote
1
answer
202
views
Importing Data Issue, Breaking Up Elements
I am trying to import a comma delimited text file as a Table and I am having two issues:
First, the file imports all of the numbers that should be separate columns as a single string. This is not ...
- 13
8
votes
3
answers
2k
views
How to parse information contained in a file name
I have a set of files containing my data, and the file-names contain relevant information that I would like to extract. What I have is:
...
- 37.4k
2
votes
2
answers
156
views
Importing Data and Devoting Their Names to Them
There are some files in a directory. I have used of SetDiroctory to access all of them.
SetDirectory["C:\\Users\\SE7EN\\Desktop\\mathematica\\test"];
I can visit ...
- 4,917
1
vote
0
answers
70
views
How can I convert a matrix into matlab form string? [duplicate]
How can I convert a matrix into matlab form?
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- 11
4
votes
3
answers
3k
views
How to export a header before the data in the result file?
I would like to export a phrase to my result data as a heading.
I'm exporting the data correctly with
Export["file.dat", table].
But I'm doing several ...
- 41