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Results tagged with string-manipulation
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user 9590
Questions on the manipulation of String objects in Mathematica, and the functions used for these manipulations.
5
votes
2
answers
227
views
Using StringCases and treating certain phrases as single words
My question is about StringCases. When I use this function, each word is separated by a ,. But I want some noun phrases like names of a ministry to be considered single words.
For example, I would l …
- 2,855
1
vote
1
answer
105
views
Replacing whole strings
I imported a text and seperated al words by using StringCases. After this I would like to manipulate the text, for example to replace all singular verbs to plural. When I use StringReplace, then Mathe …
- 2,855
2
votes
2
answers
78
views
Retain or delete parts of textstring in tweets
For a twitter analysis I collected many tweets. For example:
tweet = "Designing interventions for food security and prevention of \
malnutrition in Bangladesh #sensemaker http://t.co/wulTxX3vVK"
In …
- 2,855
1
vote
1
answer
99
views
Using DeleteCases for twitter messages using the timestamp
I have a Excelsheet with tweetsmessages. These tweets are all written in Dutch. I would like to analyse these tweets in relation to the timestamp.
tweets = Import["E:\\mathematica\\data\\tweets_gr20 …
- 2,855
4
votes
5
answers
350
views
DeleteCases based on string length
I have the following dataset
data = {{"one", "two", "three", "a", "b", "c"}, {"four", "five", "d"}}
I want to delete all the strings with length < 2. The desired output is:
{{"one", "two", "three" …
- 2,855
0
votes
0
answers
129
views
Text-analysis: Import CSV without stringquotes
I have a large amount of text-files. I want to compare these text-files based on common 'words'. I export the output of my analysis as a CSV file. When I import the same file I get all seperate words …
- 2,855
2
votes
0
answers
53
views
How to select a part from a list of text imported from the internet
I import a dataset from the internet like:
data=Import["http://www.test.com", {"HTML", "XMLObject"}]
The dataset looks like this:
{"02 jan", "40,250", "40,400", "40,150", "40,590", "152.289"
.. …
- 2,855
1
vote
2
answers
293
views
text analysis: split document in separated lines
For a text analysis I want to split a large document in separated lines. Then I want to calculated for example the average number of words. A example of the document is the following:
text = {"
1.1 …
- 2,855
7
votes
4
answers
829
views
Finding relevant parts in XML document
My question is about a XML document and finding parts of strings.
test = Import["C:\\Users\\filename.xml", "XMLObject"]
This gives the following output:
XMLObject["Document"][{XMLObject["Declarati …
- 2,855