Ok. I`m trying to run a Poisson glmm with an observation-level random
intercept. But I`m getting the following error for the 'Baci' variable:

'Error: (maxstephalfit) PIRLS step-halvings failed to reduce deviance in
pwrssUpdate'. I  guess this message is because the baci variable is not a
an integer, and cannot be transformed into an integer as R has a threshold
of
2x10^9 even in 64 bit R.

It runs fine for the fungii variable.

If you guys want to run the data (attached), the full command is below.

Thanks.

---------------------------------------------

##Import data:

qPCR <- read.delim(file.choose(),
                 header = TRUE,
                 dec = ".")

##Load package

library(lme4)

##Other steps:

qPCR$obs <- 1:nrow(qPCR)
qPCR$fID<-as.factor(qPCR$ID)
qPCR$fDiet<-as.factor(qPCR$Diet)

##Run the model:

M1 <- glmer (Baci ~ fDiet + Crossover + (1|fID:Crossover) + (1|obs),
             family = poisson, data=qPCR)



Andre



On Tue, Apr 26, 2016 at 2:36 PM, jim holtman <jholt...@gmail.com> wrote:

> Can you explain why you need them as 'integer',  A floating point
> representation can hold a value upto ~4.5e15 as an "integer" keeping the
> precision that you might need.
>
>
> Jim Holtman
> Data Munger Guru
>
> What is the problem that you are trying to solve?
> Tell me what you want to do, not how you want to do it.
>
> On Tue, Apr 26, 2016 at 1:11 PM, André Luis Neves <andrl...@ualberta.ca>
> wrote:
>
>> Dear all:
>>
>> I converted the columns (Baci, Meti, Fungii, Protozoai) into integers
>> (using excel) and then imported the data (.txt) into R. Interestingly, the
>> other three variables were loaded as INT, but the 'Baci' one continued as
>> Num.
>>
>> I imported the data using the following command line:
>>
>> X <- read.delim(file.choose(),
>>                  header = TRUE,
>>                  dec = ".")
>>
>> Here is the structure of X:
>>
>> > str(X)
>> 'data.frame': 115 obs. of  5 variables:
>>  $ ID       : Factor w/ 61 levels "107ZRED","112BLKW",..: 8 12 15 18 26 27
>> 29 31 32 36 ...
>>  $ Baci     : num  2.90e+12 5.55e+11 9.46e+11 8.13e+11 4.06e+11 ...
>>  $ Meti     : int  352645997 334146268 767208656 171567266 462747405
>> 414905627 237010514 387480048 214671355 328813226 ...
>>  $ Fungii   : int  43645 19009 15998 2189 8972 8240 3133 17922 6156 13746
>> ...
>>  $ Protozoai: int  3220523 1851891 3252462 1665675 34123768 23175015
>> 203685
>> 4261780 43110492 69802572 ...
>>
>>
>> I need Baci as an integer, and tried to convert it using as.integer
>> function, but was not successful.
>>
>>
>> Could anyone please help me to solve this problem.
>>
>> Thanks,
>>
>>
>> ​
>> --
>> Andre
>>
>> ______________________________________________
>> R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see
>> https://stat.ethz.ch/mailman/listinfo/r-help
>> PLEASE do read the posting guide
>> http://www.R-project.org/posting-guide.html
>> and provide commented, minimal, self-contained, reproducible code.
>>
>
>


-- 
Andre
ID      Crossover       Period  Diet    Pen     Time    Baci    Fungii  fNDF    
Starch
126BLK  1       1       Forage  1       End1    2.90E+12        43645   
3.87056104      1.443771827
13ZBLK  1       1       Forage  1       End1    5.55E+11        19009   
3.970286296     1.480970702
157BLK  1       1       Forage  1       End1    9.46E+11        15998   
4.114130366     1.534626493
162ZRED 1       1       Forage  1       End1    8.13E+11        2189    
3.600760128     1.343132423
17ZBLKY 1       1       Forage  1       End1    4.06E+11        8972    
3.79087129      1.414046468
184ZBLK 1       1       Forage  1       End1    5.75E+11        8240    
3.815881751     1.42337571
1ZBLKW  1       1       Forage  1       End1    34490836164     3133    
3.295433507     1.229241447
2094ZBLK        1       1       Forage  1       End1    3.49E+11        17922   
3.737865394     1.394274549
20LZBLK 1       1       Forage  1       End1    1.63E+11        6156    
4.007824601     1.494972999
29ZBLK  1       1       Forage  1       End1    3.37E+11        13746   
3.59031272      1.339235398
2ZBLKG  1       1       Forage  1       End1    3.13E+11        4003    
3.964994752     1.478996884
60ZRED  1       1       Forage  1       End1    3.76E+11        12473   
3.477652579     1.297211636
77BLK   1       1       Forage  1       End1    2.92E+11        13328   
4.546906317     1.696057799
8ZBLK   1       1       Forage  1       End1    2.45E+11        2900    
4.447927304     1.659137284
91ZRED  1       1       Forage  1       End1    5.62E+11        8584    
4.118042491     1.536085769
112BLKW 2       1       Forage  2       End1    70249927920     192654  
4.024558544     1.501214987
1226BLK 2       1       Forage  2       End1    18390770816     65524   
3.933087193     1.467094931
12ZBLK  2       1       Forage  2       End1    64465242768     286966  
3.678844325     1.372258889
134BLK  2       1       Forage  2       End1    9652868358      47474   
3.902242465     1.455589429
160ZRED 2       1       Forage  2       End1    59600548800     155040  
3.853736644     1.437496099
166ZRED 2       1       Forage  2       End1    81366127920     26056   
4.037719564     1.506124226
17ZBLK G        2       1       Forage  2       End1    1.88E+11        74214   
3.498366487     1.304938205
226ZBLK 2       1       Forage  2       End1    38794514336     291862  
3.406420254     1.270641011
3ZBLK   2       1       Forage  2       End1    23837817696     46015   
3.865246883     1.441789574
58BLK   2       1       Forage  2       End1    53734722624     50342   
4.190382875     1.563069714
60ZBLK  2       1       Forage  2       End1    42301298024     146473  
3.628258067     1.353389528
72ZRED  2       1       Forage  2       End1    95837208152     73205   
4.123718464     1.538202984
7ZBLK   2       1       Forage  2       End1    47824296528     17068   
4.028244534     1.502589911
95BLK   2       1       Forage  2       End1    41780037212     71368   
4.099205498     1.529059315
9PZRED  2       1       Forage  2       End1    71202504840     178204  
3.380912297     1.261126197
107ZRED 3       1       Grain   3       End1    1.18E+11        7074    
2.146324344     3.007347766
129BLK  3       1       Grain   3       End1    10054798609     565     
2.372894545     3.324809285
150ZRED 3       1       Grain   3       End1    1.48E+11        7869    
2.152246315     3.015645405
168BLK  3       1       Grain   3       End1    94464253180     5281    
2.500082872     3.503020716
174ZBLK 3       1       Grain   3       End1    62911040256     24635   
2.273695448     3.185815296
185ZRED 3       1       Grain   3       End1    78074111590     1973    
1.894214123     2.654100545
2ZBLKY  3       1       Grain   3       End1    4929843844      3183    
2.483620769     3.479954645
4089ZBLK        3       1       Grain   3       End1    19370087262     1329    
2.213050085     3.100841327
438XZRED        3       1       Grain   3       End1    7196105124      630     
2.217241768     3.106714553
4ZBLK   3       1       Grain   3       End1    52954599928     1469    
2.217302693     3.10679992
706ZBLK 3       1       Grain   3       End1    31205271204     2407    
2.15080847      3.013630752
86BLK   3       1       Grain   3       End1    93866942272     417     
2.753545642     3.858163077
86ZRED  3       1       Grain   3       End1    57127597772     7834    
2.295665227     3.216598513
89BLK   3       1       Grain   3       End1    37992593088     6314    
2.476126918     3.469454547
112XZBLKG       4       1       Grain   4       End1    9.56E+11        5205    
1.890716993     2.649200499
1191ZBLK        4       1       Grain   4       End1    4.59E+11        35115   
2.043372229     2.863095191
122ZRED 4       1       Grain   4       End1    2.93E+11        930     
2.1174456       2.966883971
14ZBLK  4       1       Grain   4       End1    8.03E+11        5570    
2.268248698     3.178183517
15ZBLK  4       1       Grain   4       End1    3.99E+11        1716    
2.22233515      3.113851206
163BLK  4       1       Grain   4       End1    7.18E+11        20475   
2.524745564     3.537577138
175ZRED 4       1       Grain   4       End1    2.08E+11        4421    
2.113107696     2.960805865
1ZBLKY  4       1       Grain   4       End1    6.84E+11        43059   
2.593311258     3.633648772
20SXZBLK        4       1       Grain   4       End1    3.16E+11        20297   
1.878154129     2.631597894
22ZBLK  4       1       Grain   4       End1    7.70E+11        154975  
2.263447759     3.171456625
63ZBLK  4       1       Grain   4       End1    2.10E+11        13317   
2.444859889     3.425644379
6ZBLK   4       1       Grain   4       End1    1.31E+11        1395    
2.630183444     3.685312672
82ZBLK  4       1       Grain   4       End1    1.10E+12        5368    
2.102445712     2.945866701
92ZBLK  4       1       Grain   4       End1    4.32E+11        14981   
2.137551055     2.995054968
94BLK   4       1       Grain   4       End1    1.54E+11        1680    
2.533433557     3.549750423
126BLK  1       2       Forage  1       End2    2.22E+11        13000   
4.760093885     1.775579657
13ZBLK  1       2       Forage  1       End2    6.75E+11        18291   
4.585536093     1.71046723
157BLK  1       2       Forage  1       End2    2.88E+11        8904    
5.286298418     1.971861094
162ZRED 1       2       Forage  1       End2    1.85E+11        3124    
4.501846838     1.679250002
17ZBLKY 1       2       Forage  1       End2    1.02E+11        4288    
4.722218572     1.761451651
184ZBLK 1       2       Forage  1       End2    4.28E+11        18173   
4.787683496     1.785870957
1ZBLKW  1       2       Forage  1       End2    1.26E+11        3974    
4.120447496     1.536982868
2094ZBLK        1       2       Forage  1       End2    2.80E+11        22940   
5.320906238     1.98477028
20LZBLK 1       2       Forage  1       End2    3.00E+11        1865    
4.910904822     1.831834185
29ZBLK  1       2       Forage  1       End2    2.75E+11        6551    
4.64713525      1.733444553
2ZBLKG  1       2       Forage  1       End2    4.53E+11        12748   
5.216415474     1.945793806
60ZRED  1       2       Forage  1       End2    2.45E+11        15630   
4.320339869     1.611545438
77BLK   1       2       Forage  1       End2    1.44E+11        4192    
4.946939294     1.845275532
8ZBLK   1       2       Forage  1       End2    66556874137     3308    
5.369136284     2.002760742
91ZRED  1       2       Forage  1       End2    35178277612     861     
5.194279355     1.937536734
112BLKW 2       2       Grain   2       End2    22345514304     35522   
2.189470508     3.067802525
1226 BLK        2       2       Grain   2       End2    23881492608     48447   
2.61032416      3.657486601
12ZBLK  2       2       Grain   2       End2    9521876928      21520   
2.66964942      3.740610891
134BLK  2       2       Grain   2       End2    17265347752     62156   
3.266154115     4.576410507
160ZRED 2       2       Grain   2       End2    1.06E+11        201494  
2.801511562     3.925371093
166ZRED 2       2       Grain   2       End2    29245020768     9813    
2.633190427     3.689525942
17ZBLKG 2       2       Grain   2       End2    28686200320     151168  
2.684194907     3.760991472
226ZBLK 2       2       Grain   2       End2    35823496868     203516  
2.656602944     3.722330667
3ZBLK   2       2       Grain   2       End2    19774776776     5962    
3.01716587      4.22753768
58BLK   2       2       Grain   2       End2    6712885842      10103   
2.776815993     3.890768604
60ZBLK  2       2       Grain   2       End2    41185544916     96469   
2.757875102     3.86422935
7ZBLK   2       2       Grain   2       End2    7965902400      79680   
2.876690768     4.030709327
95BLK   2       2       Grain   2       End2    29843174520     33088   
3.319343593     4.650937575
9PZRED  2       2       Grain   2       End2    82361326080     274104  
2.695285046     3.776530553
107ZRED 3       2       Forage  3       End2    1.59E+11        170772  
4.574352981     1.706295778
129BLK  3       2       Forage  3       End2    7594466101      1081    
5.509799583     2.055230063
150ZRED 3       2       Forage  3       End2    56872492896     33383   
4.602932045     1.716956157
168BLK  3       2       Forage  3       End2    64542557920     5990    
5.156588126     1.923477393
174ZBLK 3       2       Forage  3       End2    20398760236     601     
4.777512847     1.782077167
185ZRED 3       2       Forage  3       End2    1.01E+11        12468   
4.531116217     1.690167878
2ZBLKY  3       2       Forage  3       End2    1.74E+11        1757    
5.336898548     1.990735629
4089ZBLK        3       2       Forage  3       End2    1.88E+11        2227    
4.617405661     1.722355012
438XZRED        3       2       Forage  3       End2    3.83E+11        17545   
4.698264622     1.752516503
4ZBLK   3       2       Forage  3       End2    3.96E+11        7375    
4.899836763     1.827705648
706ZBLK 3       2       Forage  3       End2    3.35E+11        45618   
4.437969639     1.655422939
86ZRED  3       2       Forage  3       End2    3.58E+11        3410    
4.810601973     1.79441986
89BLK   3       2       Forage  3       End2    3.51E+11        22147   
4.768193587     1.778600956
112XZBLKG       4       2       Grain   4       End2    2.68E+11        49973   
2.531626089     3.547217868
1191ZBLK        4       2       Grain   4       End2    2.64E+11        6067    
2.63885618      3.697464579
122ZRED 4       2       Grain   4       End2    8.69E+11        11653   
2.389283575     3.347772968
14ZBLK  4       2       Grain   4       End2    9.29E+11        50505   
2.780220526     3.895538906
15ZBLK  4       2       Grain   4       End2    9.35E+11        11492   
2.662929278     3.731194885
163BLK  4       2       Grain   4       End2    5.01E+11        12751   
2.616739418     3.666475416
175ZRED 4       2       Grain   4       End2    1.19E+12        14100   
2.539769021     3.558627433
20SXZBLK        4       2       Grain   4       End2    5.57E+11        22956   
2.310979313     3.238056024
22ZBLK  4       2       Grain   4       End2    2.60E+11        23005   
2.772700065     3.885001523
63ZBLK  4       2       Grain   4       End2    2.98E+11        3578    
2.921279989     4.093186042
6ZBLK   4       2       Grain   4       End2    4.77E+11        11550   
2.511694326     3.519290242
82ZBLK  4       2       Grain   4       End2    2.55E+11        3153    
2.781770351     3.897710461
92ZBLK  4       2       Grain   4       End2    1.95E+11        48511   
2.666117852     3.735662593
94BLK   4       2       Grain   4       End2    1.02E+12        104139  
2.966186797     4.156107749
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