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Search Results
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Thread: text = str(text.encode('utf-8')) AttributeError: 'float' object has no attribute 'enc
Post: RE: text = str(text.encode('utf-8')) AttributeErro...
| Here is the full error message. The line from the title is part from this message.
Output:Traceback (most recent call last):
File "<ipython-input-1-2b37aa124c89>", line 10, in <module>... |
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ulrich48155 |
Homework |
2 |
8,749 |
Jul-31-2017, 05:21 PM |
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Thread: text = str(text.encode('utf-8')) AttributeError: 'float' object has no attribute 'enc
Post: text = str(text.encode('utf-8')) AttributeError: '...
| Im trying to do a sentiment analysis of Twitter tweets on different topics. Thereby, some topics produce the following error message:
AttributeError: 'float' object has no attribute 'encode'
What s... |
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ulrich48155 |
Homework |
2 |
8,749 |
Jul-31-2017, 05:15 AM |
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Thread: ValueError: shape mismatch: value array of shape...
Post: RE: ValueError: shape mismatch: value array of sha...
| Thank you very much, but with both approaches I get this error message:
Error:ValueError: Can't handle mix of continuous and binary |
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ulrich48155 |
Homework |
2 |
23,731 |
Jul-10-2017, 02:17 PM |
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Thread: ValueError: shape mismatch: value array of shape...
Post: ValueError: shape mismatch: value array of shape.....
| When trying to do a linear discriminant analysis I always get this error:
Error:ValueError: shape mismatch: value array of shape (47,) could not be broadcast to indexing result of shape (47,1)So I th... |
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ulrich48155 |
Homework |
2 |
23,731 |
Jul-09-2017, 08:37 AM |
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Thread: Visualisation of gaps in time series data
Post: RE: Visualisation of gaps in time series data
| Thanks, that worked!!! My plot now looks like this:
[Image: http://imgur.com/a/zUcgC]
Is it maybe possible to display those dates on the x-axis which start and end a data gap? So that one can easily... |
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ulrich48155 |
Homework |
11 |
19,334 |
Jun-27-2017, 07:10 PM |
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Thread: Visualisation of gaps in time series data
Post: RE: Visualisation of gaps in time series data
| Thanks again. Now my code looks like this:
import pandas as pd
from matplotlib import pyplot as plt
import numpy as np
colnames=['Timestamp','Currency','Rate','Volume']
usecols=['Timestamp','Currenc... |
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ulrich48155 |
Homework |
11 |
19,334 |
Jun-25-2017, 03:13 PM |
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Thread: Visualisation of gaps in time series data
Post: RE: Visualisation of gaps in time series data
| Thanks for your help so far! After your comments I came up with this solution:
import pandas as pd
import missingno as mn
colnames=['Timestamp','Currency','Rate','Volume']
usecols=['Timestamp','Rate... |
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ulrich48155 |
Homework |
11 |
19,334 |
Jun-24-2017, 11:19 AM |
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Thread: Visualisation of gaps in time series data
Post: RE: Visualisation of gaps in time series data
| To be quite honest I dont have anything yet except for loading my .csv file as I got no clue how and where to start. Apart from doing some easy plotting with matplotlib I dont have any experience with... |
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ulrich48155 |
Homework |
11 |
19,334 |
Jun-23-2017, 08:38 PM |
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Thread: Visualisation of gaps in time series data
Post: RE: Visualisation of gaps in time series data
| Oh yeah, sorry! As this is data mined from Twitter, there are 'normal' gaps between every timestamp of around 3h. These can be neglected. The gabs I mean are those spanning over days or even weeks lik... |
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ulrich48155 |
Homework |
11 |
19,334 |
Jun-22-2017, 08:17 PM |
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Thread: Visualisation of gaps in time series data
Post: Visualisation of gaps in time series data
| From my university project I got time series data. Unfortunately, my time series has some gaps due to technical issues. Is it possible to visualise these gaps?
I was thinking of something like this:
... |
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ulrich48155 |
Homework |
11 |
19,334 |
Jun-22-2017, 06:05 PM |
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Thread: Removing data in a plot
Post: RE: Removing data in a plot
| Thank you very much!
Is there a difference between the first and the second approach? When I try to implement the second one into my loop I get this message:
Error:TypeError: 'generator' object is n... |
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ulrich48155 |
Homework |
3 |
3,803 |
Jun-10-2017, 07:38 PM |
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Thread: Removing data in a plot
Post: Removing data in a plot
| For a project I needed to calculate and display a 10fold cross-validation on a time-series. After plotting my results look like this:
http://imgur.com/a/15wbF
As you can see, both plots also contain... |
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ulrich48155 |
Homework |
3 |
3,803 |
Jun-08-2017, 02:25 PM |
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Thread: CSV file with irregular structure
Post: RE: CSV file with irregular structure
| It seems like every tweet which were seperated by blank lines is now seperate by blank rows.
I attached a sample which contains tweets after using that code.
When I try to read the file and define '... |
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ulrich48155 |
Homework |
9 |
7,068 |
May-22-2017, 06:11 PM |
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Thread: CSV file with irregular structure
Post: RE: CSV file with irregular structure
| My prof specified '|' as the only delimiter.
Thanks for that code! That really helped me **dance**
Do you think it would even be possible to really connect the parts that were splitted over differe... |
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ulrich48155 |
Homework |
9 |
7,068 |
May-17-2017, 06:31 PM |
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Thread: CSV file with irregular structure
Post: RE: CSV file with irregular structure
| I got this file from my professor in order to do a sentiment analysis, but I got problems due to these damaged rows.
I attached the csv file including 30rows. The columns are seperated with a '|'. |
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ulrich48155 |
Homework |
9 |
7,068 |
May-16-2017, 01:07 PM |
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Thread: CSV file with irregular structure
Post: CSV file with irregular structure
| I got a CSV file with about 500.000 lines of twitter tweets. The file is structured as follows:
Timestamp1 | Topic | Timestamp2 | User | Message | RetweetCount | Location
The problem I have is that... |
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ulrich48155 |
Homework |
9 |
7,068 |
May-16-2017, 10:40 AM |
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Thread: Sentiment Analysis with NLTK Vader - Writing data in one row
Post: Sentiment Analysis with NLTK Vader - Writing data ...
| Hello python experts,
for an university project I want to do an sentiment analysis of twitter tweets with the NLTK package. Therefore, my code looks this:
sid = SentimentIntensityAnalyzer()
for sent... |
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ulrich48155 |
Homework |
1 |
4,123 |
May-14-2017, 07:02 PM |
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Thread: 10fold cross-validation on time series
Post: RE: 10fold cross-validation on time series
| I think my problem is that I dont know how to implement the calculation of the RMSE for the different folds. I am splitting my set into 10folds which seemed to work:
Output:TRAIN: [ 0 1 2 ..., 28 29... |
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ulrich48155 |
Homework |
5 |
9,213 |
May-08-2017, 04:36 PM |
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Thread: 10fold cross-validation on time series
Post: RE: 10fold cross-validation on time series
| Is my approach right then? |
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ulrich48155 |
Homework |
5 |
9,213 |
May-06-2017, 09:15 AM |
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Thread: 10fold cross-validation on time series
Post: RE: 10fold cross-validation on time series
| Thanks for your reply! I should've posted the whole code. It looks like this:
import pandas as pd
import numpy as np
from sklearn import metrics
from sklearn.linear_model import LinearRegression
from... |
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ulrich48155 |
Homework |
5 |
9,213 |
May-05-2017, 01:24 PM |
