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Mastering Development

Pandas – get the mean of one column using descending N rows of another column

I have this dataframe: team opponent home_dummy round points 0 Athlético-PR Flamengo 0 13 22.91 1 Athlético-PR Atlético-GO 0 17 23.6 2 Athlético-PR Fortaleza 1 20 28.58 3 Athlético-PR Fortaleza 0 1 75.71 4 Athlético-PR Ceará 1 14 42.22 5 Athlético-PR Coritiba 1 10 52.91 6 Athlético-PR Goiás 1 2 39.82 7 Athlético-PR Goiás 0 […]

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Mastering Development

Group By not working to calculate amount left in MySql

I am trying to calculate the amount of stock left after transactions have been made, however it is returning me a negative amount. What could I be doing wrong with my GROUP BY as it is not seeming to be working or is it the actual calculation (I am a complete beginner as you can […]

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Ask Geographic Information System (GIS)

Problems with specifiying TM_fill when creating a map in R with TM_maps

For my research I am visualizing plastic contents in segments of water. After creating my segment (online, polygons in KML-file) I jointed it with my table with fieldworkdata with plastics per segment. Creating a map with these segments works fine until I want to combine the amount of plastic and the segments. My code is […]

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Mastering Development

How would I output fitting data in Python for use in Origin

I have a code that reads in 50 text files, each one generates a histogram, and a gaussian is fitted for each histogram. The area under each gaussian is then taken and plotted against time (which is essentially which text file it was multiplied by 18). I would like to then manipulate this data separately […]

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Android User Help

Pagination is not working properly inside TV app

I added pagination for TV app, but every time new page added, list is not starting where it was but it is starting from beginning with new page elements which is ok. how can i resume list where it was and add new page elements without reloading from beginning? Here is my adapter: private var […]

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Mastering Development

Summarise() doesn’t seem to be working properly

This question sounds so unreasonable to me that I’m convinced I’m missing something obvious, but it can’t find it. I have a tibble, whose first 200 rows are at the end of this question. The code I tried was this: record %>% group_by(samples, rep, bests) %>% summarise(prop = round(n()/samples, 2)) However, this didn’t have the […]

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Mastering Development

Finding erroneous records from batch insert data load with executemany() in cx_Oracle in Python

Loading data to oracle via python 3 using cx_Oracle library. Here is code snippet: for fl in processing_list: fname = fl.split(‘/’)[-1] data_set = [] data_reader = csv.reader(open(fl,’r’),delimiter=’|’) for rec in data_reader: rec.insert(0,fname) data_set.append(rec) curs.executemany(‘insert into test_sdp_dump values(:1,:2,:3,:4,:5,:6,:7,:8,:9,:10,:11,:12,:13,:14,:15,:16,:17,:18,:19,:20,:21,:22,:23,:24,:25,:26,:27,:28,:29,:30,:31,:32,:33,:34,:35,:36,:37,:38,:39,:40,:41,:42,:43,:44,:45,:46,:47,:48,:49,:50,:51,:52,:53,:54,:55,:56,:57,:58,:59,:60,:61,:62,:63,:64,:65,:66,:67,:68,:69,:70,:71,:72,:73,:74,:75,:76,:77,:78,:79,:80,:81,:82,:83,:84,:85,:86,:87,:88,:89,:90,:91,:92,:93,:94,:95,:96,:97)’,data_set,batcherrors=True) for error in curs.getbatcherrors(): print(‘Error Message:’ + error.message + ‘Row Offset:’ + str(error.offset)) print(data_set[error.offset]) It works fine while […]

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Mastering Development

Create column translation table for two dataframes

I have two dataframes, one of which has around 300 columns, the other has around 30. The 30 columns in the second dataframe all come from the first but all have different column names. How can I run analysis of those 30 columns on the first table to show which columns they most likely represent? […]

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Ask Games RPG Games

Help me identify these dice

I have these dice. I don’t know where they came from or how I got them, and I can’t imagine what they are for. They are 20-sided dice but the numbers on the sides are bananas. See image Numbers on them are: 4, 5, 7, 10, 12, 15, 16, 18, 20, 21, 24, 28, 35, […]

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Mastering Development

How can I find matching DNA sequences in two files, using python?

I have been working on this question for a long time, and I can’t seem to get it right. I have tried everything I know and I really need help figuring out what is wrong. I have two files: File 1: A list of names and numbers of sequences i.e: name,AGAT,AATG,TATC Jake,28,42,14 Chris,17,22,19 Anne,36,18,25 and […]