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I attempted to download the current chelsa 2.1 climate variables using pastclim. However, I keep getting the error: Error: buildvrt: options error. terra, gdal, and pastclim are up-to-date. Is this ...
Garrett Gimbel's user avatar
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93 views

Within the TidySDM package, you can define what models you wish to include in your ensemble with the "workflow_set" function. When including a maxent model you can use the argument "...
Garrett Gimbel's user avatar
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I'm currently using the Maxent Variable Selection package in R, but I'm encountering an error: Error in file(file, "rt"): cannot open the connection Additionally: Warning message: In file(...
Moussa Jaouani's user avatar
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1 vote
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94 views

I have two dataframes with 15,695 rows, and they have no NAs: dat_Winter: contains environmental variables dolphin_coords_xy: contains longitude and latitude positions in decimal degrees I am trying ...
Alice Hobbs's user avatar
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806 views

I'm following a tutorial on GitHub by John Baums to create a presence only species distribution model using the MAXENT method. Every line of code is working until I need to run the object me, which is ...
Alice Hobbs's user avatar
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31 views

Issue I want to produce a presence only species distribution model using the Maxent technique. I have found an online tutorial that exactly fits the type of analysis that I want to embark on. I am ...
Alice Hobbs's user avatar
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1 answer
95 views

Does anybody know how to solve this problem? I'm trying to build a species Distribution model using bioclimatic variables sdm package by Naimi, 2016 R version 4.4.1 ERROR: model <- sdm(Species ~ ., ...
Simon's user avatar
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41 views

For the sake of reproducible results I have already randomly split my occurrence records into training and testing, and would like to input these records into dismo::maxent. I have attempted to do ...
Danielle's user avatar
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1 answer
42 views

I'm trying to sample random points to use as background in a species distribution model. I'm using 30 second predictors from worldclim and soilgrids. The majority of the sampled random points are on ...
AmandaKM's user avatar
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115 views

I am creating a learner for Maximum Entropy (MaxEnt) models using the mlr3 package. I use the maxnet function (from the maxnet package) to fit MaxEnt models. Here is a link to the function: maxnet. I ...
Pierre Levoisin's user avatar
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1 answer
203 views

I'm attempting to use the MaxentVariableSelection package to select the best set of environmental variables for a Maxent species distribution model. I keep getting these two errors: Error: Error ...
Klaire Rhodes's user avatar
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49 views

I a trying to set up MaxEnt so I am following a tuturiol on YT titled "how to decide which setting to use when running MaxEnt, as well as how to make a bias file" I enter my occurrence ...
MVDM's user avatar
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548 views

When I run Maxent in biomod2, I meet the error, although I have tried many solutions which people have solved their similar problem, but they didn't work with my code. I have tried to change the file ...
JY Xie's user avatar
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1 answer
584 views

Hi I am trying to run ENMeval on occurrence data and some rasters to determine settings for MaxEnt modelling. Whenever I try to run some of my code containing the raster layers, ie: #resample layer ...
alex_allenby's user avatar
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1 answer
357 views

I am trying to build a MaxEnt model in dismo, using a data frame. I already have presence-absence data and extracting the covariates for each point, so the only data I need is this one data frame. I ...
Sara's user avatar
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190 views

I ran a few models in the Java MaxEnt program showing the species distribution model of an invasive species, and I want to import the outputs that it gave me (I have a folder of them, some asc files, ...
Deana Hutcheson's user avatar
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1 answer
916 views

i was doing SDM using MaxEnt in R but i couldnt run jackknife test # add uae shapefile` uae = readOGR(dsn ="C:/Users/Predator/Downloads", layer="Boundaries_UAE_0_GAUL") pj = gbif(&...
Ahmad Mamdouh Akkad's user avatar
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321 views

I have been using R code to predict the future distribution of small mammal species based on records of their occurrence in the Atlantic Forest and predictions of environmental variables. I used this ...
Isabella Bento's user avatar
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0 answers
232 views

I would like to perform an AIC on a maxnet model. I run a model using maxnet package in R and I want to perform an AIC on this model. I tried to use the SDMtune package in R but the class of the ...
Giordano's user avatar
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1 answer
522 views

I have nine raster layers (.tif) and each needs to have the same extent, resolution and CRS in order to work in Maxent. I have tried converting each layer to the same CRS and translating them to .asc ...
Ben De Coensel's user avatar
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1 vote
1 answer
151 views

I am trying to run the maxent function in the dismo package on macOS through rJava and keep getting this error message. Error in rJava::.jcall(mxe, "S", "fit", c("autorun"...
ggbees44's user avatar
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1 answer
151 views

I have run a maxent model using the dismo package in R. I am able to use the predict function to view the output format as "raw" or "cloglog" but when I try the "cumulative&...
Kate Dey's user avatar
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2 answers
498 views

I am currently trying to make a biosfile prior to running maxent but keep getting faced with this error: I wonder if anyone has faced this issue before and fixed it please? bg <- xyFromCell(dens....
Bethany Clarkson's user avatar
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0 answers
179 views

So I was trying to classify my data using Maximum Entropy method, with the code below: container<-create_container(mat, sentiment_all, trainSize=1:823, testSize=824:1030, virgin=FALSE) models<-...
Falira Paramitha's user avatar
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0 votes
0 answers
189 views

) I want to apply dismo::maxent to a list of multiple datasets with lapply. But I get the error message that the arguments have a different number of rows, which is very strange because I created one ...
Denny's user avatar
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1 answer
283 views

I'm using the MaxEntVariableSelection package and repeatedly getting the following error when trying to execute VariableSelection even after setting all the things as explained in ...
Dias'90's user avatar
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0 answers
181 views

I'm trying to run VariableSelection function in MaxentVariableSelection but stuck with the error saying Error in read.table(file = file, header = header, sep = sep, quote = quote, : no lines ...
Dias'90's user avatar
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0 votes
1 answer
421 views

The output of my code gives this error message and I am not able to fix it. The code itself is long, so I just give you the part that I believe not working, but please ask if you need to see some more....
Recology's user avatar
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1 vote
1 answer
746 views

Hi I'm using the Maxent software 3.4.0 for Mac and I'm trying to understand an issue about k-fold Cross-validation. Basically, I understood that my dataset is splitted in k folds and each fold more or ...
Franza's user avatar
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1 answer
943 views

I am creating ASCII files to include in a MaxEnt model in R. When I create the layers and look at the raster values I can see them and they are correct, e.g.: > r_test3 class : RasterLayer ...
DFinch's user avatar
  • 139
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1 answer
310 views

I am evaluating OpenNLP for use as a document categorizer. I have a sanitized training corpus with roughly 4k files, in about 150 categories. The documents have many shared, mostly irrelevant words - ...
Orolo's user avatar
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1 answer
679 views

Good afternoon, I have recently developed a Maxent species distribution model in R for a reptile endemic to Madagascar, using native-range presence-only data. The model performs well (as judged by AUC)...
PhelsumaFL's user avatar
  • 81
4 votes
2 answers
1k views

The current file organization looks like this: Species_name1.asc Species_name1.csv Species_name1_Averages.csv ... ... Species_name2.asc Species_name2.csv Species_name2_Averages.csv I need to ...
user avatar
1 vote
1 answer
387 views

I use the maxnet function (maxnet package) as one of the model algorithms in an ensemble model. Sometimes, the code executes without an error. Other times, it gives me the error message you see below. ...
Anne Enco's user avatar
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1 vote
1 answer
317 views

I want to calculate the percentage area of habitat suitability of a species that overlaps with protected area polygons. I do not know the R language very well, but here is what I have so far. These ...
crocsandturtles's user avatar
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1 vote
2 answers
2k views

I would like to use the day of the year in a machine learning model. As the day of the year is not continuous (day 365 of 2019 is followed by day 1 in 2020), I think of performing cyclic (sine or ...
Ahmed El-Gabbas's user avatar
  • 537
0 votes
1 answer
273 views

Similar question was answered here; however, this problem is a bit different for which I cannot apply that solution. I have fitted maxent using site-with-data format. The problem is I cannot project ...
Tiny_hopper's user avatar
  • 388
1 vote
1 answer
394 views

I'm trying to create a script that reruns maxent for different inputs. I have around 1500 species that need to be processed separately. My idea is to use a python loop for this program. But I can't ...
M. Heynen's user avatar
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0 votes
0 answers
237 views

I am using maxent in R to predict the distribution of a certain specie with two climate change scenarios. I am using a simple code to know the ROC/AUC but i want a code that would plot standard ...
tayyabakhalil4's user avatar
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0 votes
0 answers
229 views

java.lang.OutOfMemoryError: Java heap space is resolved by increasing the Xmx3G, but now I am getting "Error occurred during initialization of VM. Could not reserve enough space for object heap. What ...
sagarjain1991's user avatar
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0 votes
0 answers
870 views

I tested a new data that is provided from uI, so i used new.csv file which has same column name as trained model. What is the problem with this? i get error in this line classify_models(container2,...
suman's user avatar
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0 votes
1 answer
101 views

I have 8 features for maxent classifier and want to know each weight, because I need information of how important each features is. for i in range(len(list)): features = {} features['...
seKim's user avatar
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0 votes
1 answer
640 views

I'm building a species distribution model/habitat suitability model using the package biomod2. Maxent allows the user to choose one of four output formats (see title) when the Java application is ...
Tristan's user avatar
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1 vote
0 answers
314 views

I am trying to update the baseline code of nltk.classify.rte_classify to add more features in order to improve the accuracy of the model. It uses MaxentClassifier. My problem is that every time I ...
Monu's user avatar
  • 2,170
2 votes
1 answer
257 views

I know Apache OpenNLP uses MaxEnt model for its NER tagger. But what features Apache OpenNLP does use (by default) while running its named entity recognition (NER) models? and also how can we ...
user4213837's user avatar
  • 215
2 votes
2 answers
667 views

When I run Maxent into biomod2 I got this error: Error in file(file, "rt") : cannot open the connection In addition: Warning messages: 1: running command 'java' had status 1 2: In file(file, "rt") :...
Seira's user avatar
  • 21
2 votes
1 answer
834 views

I am using Maxent function in dismo package to create some species distribution models. Normally this works: single_model <- maxent(predictors, presence, args=c('jackknife=TRUE', 'randomseed=...
fire_ecologist's user avatar
  • 263
0 votes
0 answers
803 views

I am having some trouble running MaxEnt in R. I keep getting two error messages: 1) Error in data.frame(..., check.names = FALSE) : arguments imply differing number of rows: 1, 2, 0 and 2) Warning ...
Chris R.'s user avatar
  • 11
1 vote
0 answers
140 views

I am running MaxEnt in R which is a species distribution model -- I am trying to run a 10 fold x validation on the data but keep getting two error messages: Error in data.frame(..., check.names = ...
Chris R.'s user avatar
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1 vote
0 answers
133 views

I am new to Mallet and using it for making a MaxEnt model. What I want to achieve is I wanted to classify a text in some categories. (Using sample names for categories) I have my training data in a ...
Hammad Hassan's user avatar
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