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Mastering Development

Normalise a dataframe in R

I have a dataframe named examples with some semantic features occurences: > str(examples) Classes ‘spec_tbl_df’, ‘tbl_df’, ‘tbl’ and ‘data.frame’: 50 obs. of 12 variables: $ filename : chr “Text01” “Text02” “Text03” “Text04” … $ Control : num 1 3 0 0 0 6 0 1 0 1 … $ Economic : num 1 3 0 […]

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Mastering Development

Experiencing list object issue with Keras pad_sequence

I’m getting list object cannot be interpreted as integer while trying to execute Keras pad_sequences below. def tk(lines): tokenizer = Tokenizer() tokenizer.fit_on_texts(lines) return tokenizer toc_Eng = tk(data[:,0]) train, test = train_test_split(data, test_size=0.25, random_state = 5) seq = toc_Eng.texts_to_sequences(train[:,0]) seq[0:10] output: [[8, 114, 9], [2, 149, 30, 22, 620], [1, 19, 36, 398, 39], [4, 23, […]

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Bitcoin Cryptocurrency Mastering Development

Can the forked be unforked? :)

So….BTC, BCH, BTG and BSV all trade at different prices/values. All have forked off from BTC and have different development teams, theories, practices, technology, etc. I noticed that when you look at the amount of coins mined on sites like coinmarketcap.com, it shows the following circulating supplies for each: BTC = 18,287,125 BCH = 18,351,063 […]

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Development

Two-Way Repeated Measures ANOVA: Error in lm.fit()… 0 non-na cases (rstatix)

I am trying to run a Two-Way Repeated Measures ANOVA using the R Statix package based on the description from here however I am running into the subject error with my dataset. The data consist of 10 replicate biomass measurements recorded at each of 8 Locations across 5 months (10 reps x 8 locations x […]

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Development

Cross Validation with coco data format json files

I am a newbie ML learner and trying semantic image segmentation on google colab with COCO data format json and lots of images on google drive. I am splitting an exported json file into 2 jsons (train/validate with 80/20 ratio) every time I receive new annotation data. But this is getting tiring since I have […]

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Development Python

Parsing a .pdb file in Python and creating a dictionary for specific record types

First, let me start by saying that I’m doing this as a Python exercise and I’m not allowed to use Biopython. I am writing a script that will help me parse any .pdb file generated from a trajectory. I am trying to create a dictionary that would link the chain variable with the resNumber variable. […]

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Development Python

How to fix Python Gekko Max Equation Length error

My code work on small variables. But when I do in 128*128 array of variables, the error below is appearing: APM model error: string > 15000 characters Consider breaking up the line into multiple equations The may also be due to only using newline character CR instead of CR LF (for Windows) or LF (for […]

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Development

Shape Error on Prediction but not during Training

I build a model and can run the training without errors. When I like to predict a Image (just for testing an image from the training set) I’m getting a value error, which is mostly only +-1. ValueError: Dimension 2 in both shapes must be equal, but are 286 and 287. Shapes are [1,250,286] and […]

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Development

Query to calculate difference between time only for that particular Date

following are the sample data from table Station ([ID], [Area], [Time_Stamp], [Error], [E_Value]) VALUES (201, ‘hlpw1’, ‘2019-10-02 06:10:00’, ‘Error 1 Value 1’, 186), (202, ‘hlpw1’, ‘2019-10-02 06:30:00’, ‘Error 1 Value 2’, 78), (203, ‘hlpw1’, ‘2019-10-02 06:55:00’, ‘Error 1 Value 3’, 229), (204, ‘hlpw1’, ‘2019-10-02 07:10:00’, ‘Error 1 Value 4’, 175), (205, ‘hlpw1’, ‘2019-10-02 07:40:00’, ‘Error […]

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Development

How to get extremes from already determined groups of peak/valley indexes? [python]

I’m sorry if i’m butchering the question but essentially i have 3 arrays. One array which is the signal data, and an array of peak indexes and an array of valley indexes. The problem however is that sometimes there will be multiple indexes for a peak in a row before there is a valley index. […]